Door and lock tips

THE FOOLPROOF BEST SFIC A4 MASTER DECODE: THE ULTIMATE 2.0 CONTROL KEY WORKSHEET
THE A4 "SYSTEM 14" CHEAT SHEET

THE MASTER RULE:
EVERY SINGLE STACK IN AN A4 CYLINDER MUST TOTAL 14.

——————————————————————

THE CONTROL KEY FORMULA:
14 - (BOTTOM PIN + MASTER WAFER + CONTROL WAFER) = YOUR CONTROL CUT

NOTE:
IF THERE IS NO MASTER WAFER, JUST ADD THE BOTTOM PIN AND CONTROL WAFER TOGETHER, THEN SUBTRACT FROM 14.

THE LAST DIGIT RULE:
UNLIKE A2 OR A3, THE A4 RESULT RARELY EXCEEDS 9. HOWEVER, IF YOUR RESULT IS 10 OR 11, USE THE LAST DIGIT (0 OR 1) AS YOUR CUT.

——————————————————————

THE OPERATOR KEY (EITHER-OR):

YOU HAVE TWO CHOICES FOR A WORKING KEY:

CHOICE A:
CUT TO THE BOTTOM PIN NUMBER.

CHOICE B:
CUT TO THE TOTAL OF (BOTTOM PIN + MASTER WAFER).

——————————————————————


THE TOP PIN (THE FINISHER):
THE TOP PIN IS THE PIECE THAT MAKES THE STACK HONEST.
FORMULA:
14 - (TOTAL OF EVERY PIN AND WAFER BELOW IT) = TOP PIN SIZE.

IMPORTANT:
IF YOUR MEASURED PINS ADD UP TO 14, YOUR CONTROL CUT IS 0. HOWEVER, A CHAMBER MUST ALWAYS HAVE A TOP PIN TO PROTECT THE SPRING. IF YOU HAVE NO ROOM LEFT, YOU MUST ADJUST YOUR PINNING TO STAY UNDER THE 14 LIMIT BEFORE ADDING THE TOP PIN!


——————————————————————

PRO TIP:
THIS GREEN WORKSHEET IS YOUR SAFETY NET. ALWAYS REMEMBER: A3 = 16, BUT A4 = 14. FOLLOW THE GRID DOWN TO THE GREEN BOXES AND THE MATH DOES THE WORK FOR YOU!

#Locksmith #SFIC #BestLock #A4System #MasterKey #CheatSheet #LocksmithLife #System14

12 hours ago | [YT] | 2

Door and lock tips

THE FOOLPROOF BEST SFIC A3 MASTER DECODE: THE ULTIMATE 2.0 CONTROL KEY WORKSHEET

THE MASTER RULE:
EVERY SINGLE STACK IN AN A3 CYLINDER MUST TOTAL 16.

——————————————————————


THE CONTROL KEY FORMULA:
16 - (BOTTOM PIN + MASTER WAFER + CONTROL WAFER) = YOUR CONTROL CUT

NOTE:
IF THERE IS NO MASTER WAFER, JUST ADD THE BOTTOM PIN AND CONTROL WAFER TOGETHER, THEN SUBTRACT FROM 16.

THE LAST DIGIT RULE:
IF YOUR SUBTRACTION RESULT IS A DOUBLE DIGIT, USE THE LAST DIGIT AS
YOUR CUT.
RESULT 11 = CUT 1
RESULT 12 = CUT 2
RESULT 2 = CUT 2

——————————————————————


THE OPERATOR KEY (EITHER-OR):
YOU HAVE TWO CHOICES FOR A
WORKING KEY:

CHOICE A:
CUT TO THE BOTTOM PIN NUMBER.

CHOICE B:
CUT TO THE TOTAL OF (BOTTOM PIN + MASTER WAFER).

——————————————————————


THE TOP PIN (THE CAPPER):

THE TOP PIN IS THE PIECE THAT MAKES THE STACK HONEST.

THE FORMULA:
16 - (TOTAL OF EVERY PIN AND WAFER BELOW IT) = TOP PIN SIZE.

IMPORTANT:
IF YOUR MEASURED PINS ADD UP TO 16, YOUR CONTROL CUT IS 0. HOWEVER, A CHAMBER MUST ALWAYS HAVE A TOP PIN TO PROTECT THE SPRING. IF YOU HAVE NO ROOM LEFT, YOU MUST ADJUST YOUR PINNING TO STAY UNDER THE 16 LIMIT BEFORE ADDING THE TOP PIN!


——————————————————————


THE PRO TIP:
THE A3 INCREMENT IS .018". IF YOU SEE THIN WAFERS TIPPING SIDEWAYS, THAT IS WHY THE SYSTEM WAS DITCHED. USE THIS GRID TO KEEP YOUR MATH PERFECT AND AVOID THE JAM!

#Locksmith #SFIC #BestLock #A3System #MasterKey #CheatSheet #LocksmithLife

12 hours ago | [YT] | 2

Door and lock tips

THE FOOLPROOF BEST SFIC A2 MASTER DECODE: THE ULTIMATE 2.0 CONTROL KEY WORKSHEET

THE A2 "SYSTEM 23" CHEAT SHEET

THE MASTER RULE:
THE TOTAL OF EVERY PIN AND WAFER IN AN A2 CHAMBER MUST EQUAL 23.

——————————————————————
THE CONTROL KEY FORMULA:
23 - (BOTTOM PIN + MASTER WAFER + CONTROL WAFER) = YOUR CONTROL CUT

NOTE:
IF THERE IS NO MASTER WAFER, JUST ADD THE (BOTTOM PIN + CONTROL WAFER) AND SUBTRACT FROM 23.

THE LAST DIGIT RULE:
IF YOUR SUBTRACTION RESULT IS A DOUBLE DIGIT, USE THE LAST DIGIT AS YOUR CUT.
RESULT 11 = CUT 1
RESULT 15 = CUT 5
RESULT 13 = CUT 3
RESULT 3 = CUT 3
——————————————————————
THE OPERATOR KEY (EITHER-OR):
YOU HAVE TWO CHOICES FOR A WORKING KEY:

CHOICE A:
CUT TO THE BOTTOM PIN NUMBER.

CHOICE B:
CUT TO THE TOTAL OF (BOTTOM PIN + MASTER WAFER).

——————————————————————
THE TOP PIN (THE FINISHER):
THE TOP PIN IS THE PIECE THAT MAKES THE STACK HONEST.

FORMULA:
23 - (TOTAL OF EVERY PIN AND WAFER BELOW IT) = TOP PIN SIZE.

NOTE:
IF THERE IS NO MASTER WAFER, JUST SUBTRACT THE (BOTTOM + CONTROL) FROM 23 TO GET YOUR TOP PIN.

——————————————————————
PRO TIP:
THIS ORANGE WORKSHEET IS THE UNIVERSAL STANDARD. WHILE THERE ARE "SHORTCUTS" OUT THERE, THE RULE OF 23 NEVER LIES. FOLLOW THE ORANGE BOXES DOWN AND YOU WILL HAVE A PERFECT WORKING CORE EVERY TIME!

#Locksmith #SFIC #BestLock #A2System #MasterKey #CheatSheet #LocksmithLife #System23

13 hours ago | [YT] | 1

Door and lock tips

THE .018 TRAP: WHY THE BEST A3 SYSTEM VANISHED
Imagine it is the late 1950s. You are a facility manager for a massive state university or a high-security government complex. You need a master key system that can handle thousands of doors, sub-masters, and grand-masters without ever repeating a key.
The engineers at BEST come to you with a miracle: The A3 System.
By shrinking the "step" between pin sizes to a microscopic .018", they unlocked a mathematical universe. On paper, it was a masterpiece. It offered more key combinations than anyone knew what to do with. It was the "supercomputer" of locksmithing for its time. Contracts were signed, and thousands of these cores were installed in the heaviest-duty environments across the country.
BUT THEN, THE REAL WORLD HAPPENED.
Look at the warning sign in the picture. In a laboratory, that #1 Master Wafer looks like a precision component. In a working lock, it’s a disaster waiting to happen. At only .018" thick—about the thickness of five sheets of paper—that tiny sliver of brass is the "weak link" in the entire chain.
As these massive buildings settled and the keys began to wear, a terrifying trend emerged: The Tipping Point.
Maintenance crews started getting "Code Red" calls from every floor. A professor couldn't get into his lab; a high-ranking official was locked out of a secure wing. When locksmiths gutted the cylinders, they found the same crime scene every time: The .018 Crash. Because the wafer was so thin, it didn't stay flat. It would tilt like a coin falling over, wedging itself between the plug and the control sleeve.
It didn't just stop the key from turning; it "welded" the core inside the housing. You couldn't pick it, and you couldn't use a control key to pull the core. You had to destroy the hardware just to get the door open.
The A3 system was a victim of its own ambition. It was too precise for a world of grit, heavy hands, and brass wear. BEST eventually had to pull the plug, pivoting to the A4 and the legendary A2 systems we use today—systems where the wafers are thick enough to stand their ground.
Today, finding an A3 system is like finding a ghost in the machinery. It’s a reminder that in locksmithing, if the math is too thin, the security will eventually fall through the cracks.

——————————————————————
[PLACEHOLDER: LINK TO VIDEO EXPLANATION HERE] ….
Coming Soon!!! Subscribe Now so you don’t miss any of the action.👍👋
——————————————————————

#Locksmith #SFIC #BestLock #MasterKey #A3System #LocksmithLife #VintageSecurity

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22 hours ago | [YT] | 6

Door and lock tips

THE FOOLPROOF BEST SFIC A3 MASTER DECODE: THE ULTIMATE 2.0 CONTROL KEY WORKSHEET

THE MASTER RULE:
EVERY SINGLE STACK IN AN A3 CYLINDER MUST TOTAL 16.

——————————————————————
THE CONTROL KEY FORMULA:
16 - (BOTTOM PIN + MASTER WAFER + CONTROL WAFER) = YOUR CONTROL CUT

NOTE:
IF THERE IS NO MASTER WAFER, JUST ADD THE BOTTOM PIN AND CONTROL WAFER TOGETHER, THEN SUBTRACT FROM 16.

THE LAST DIGIT RULE:
IF YOUR SUBTRACTION RESULT IS A DOUBLE DIGIT, USE THE LAST DIGIT AS YOUR CUT.
RESULT 11 = CUT 1
RESULT 12 = CUT 2
RESULT 2 = CUT 2

——————————————————————
THE OPERATOR KEY (EITHER-OR):
YOU HAVE TWO CHOICES FOR A
WORKING KEY:

CHOICE A:
CUT TO THE BOTTOM PIN NUMBER.

CHOICE B:
CUT TO THE TOTAL OF (BOTTOM PIN + MASTER WAFER).

——————————————————————

THE TOP PIN (THE CAPPER):
THE TOP PIN IS THE PIECE THAT MAKES THE STACK HONEST.

THE FORMULA:
16 - (TOTAL OF EVERY PIN AND WAFER BELOW IT) = TOP PIN SIZE.

IMPORTANT:
IF YOUR MEASURED PINS ADD UP TO 16, YOUR CONTROL CUT IS 0. HOWEVER, A CHAMBER MUST ALWAYS HAVE A TOP PIN TO PROTECT THE SPRING. IF YOU HAVE NO ROOM LEFT, YOU MUST ADJUST YOUR PINNING TO STAY UNDER THE 16 LIMIT BEFORE ADDING THE TOP PIN!


——————————————————————
THE PRO TIP:
THE A3 INCREMENT IS .018". IF YOU SEE THIN WAFERS TIPPING SIDEWAYS, THAT IS WHY THE SYSTEM WAS DITCHED. USE THIS GRID TO KEEP YOUR MATH PERFECT AND AVOID THE JAM!

#Locksmith #SFIC #BestLock #A3System #MasterKey #CheatSheet #LocksmithLife

1 day ago (edited) | [YT] | 5

Door and lock tips

Save $400 and Outsmart the KW1 Kwikset SmartKey Lock!

Ever wanted a secret weapon for those stubborn "Smart" type locks without the $440 price tag? While companies like Aero Lock sell these sets for a small fortune, I’m going to show you how to build your own "Super Sleuth" set right in your own workshop. This is the ultimate "insider" hack that turns a pile of cheap KW1 blanks into a pro-level entry kit.

To see what the big guys are charging for this same technology, check out the Aero Lock KW1 set at CLK Supplies:
1 www.clksupplies.com/products/kwikset-smart-key-gen…

The Mission: Instead of paying for a fancy box, you’re going to spend about 2 hours at your code machine and save enough money to buy a new high-end flashlight or a 3D printer.

The Strategy: We use "Half-Step" depths. By cutting exactly between the factory numbers, we create a "magic" key that tricks the lock's sidebar. One key does the work of four!
Estimated Savings: Over $400
Estimated Build Time: 2 Hours

How to Cut Your Set

Set your code machine to these "Half-Step" depths (aim right in the middle of the factory marks):
* Depth 1: Between 1 and 2 (1.5)
* Depth 2: Between 2 and 3 (2.5)
* Depth 3: Between 3 and 4 (3.5)
* Depth 4: Between 4 and 5 (4.5)

The 256 Key Master List

1: 11111, 2: 11112, 3: 11113, 4: 11114, 5: 11121, 6: 11122, 7: 11123, 8: 11124, 9: 11131, 10: 11132, 11: 11133, 12: 11134, 13: 11141, 14: 11142, 15: 11143, 16: 11144, 17: 11211, 18: 11212, 19: 11213, 20: 11214, 21: 11221, 22: 11222, 23: 11223, 24: 11224, 25: 11231, 26: 11232, 27: 11233, 28: 11234, 29: 11241, 30: 11242, 31: 11243, 32: 11244, 33: 11311, 34: 11312, 35: 11313, 36: 11314, 37: 11321, 38: 11322, 39: 11323, 40: 11324, 41: 11331, 42: 11332, 43: 11333, 44: 11334, 45: 11341, 46: 11342, 47: 11343, 48: 11344, 49: 11411, 50: 11412, 51: 11413, 52: 11414, 53: 11421, 54: 11422, 55: 11423, 56: 11424, 57: 11431, 58: 11432, 59: 11433, 60: 11434, 61: 11441, 62: 11442, 63: 11443, 64: 11444, 65: 12111, 66: 12112, 67: 12113, 68: 12114, 69: 12121, 70: 12122, 71: 12123, 72: 12124, 73: 12131, 74: 12132, 75: 12133, 76: 12134, 77: 12141, 78: 12142, 79: 12143, 80: 12144, 81: 12211, 82: 12212, 83: 12213, 84: 12214, 85: 12221, 86: 12222, 87: 12223, 88: 12224, 89: 12231, 90: 12232, 91: 12233, 92: 12234, 93: 12241, 94: 12242, 95: 12243, 96: 12244, 97: 12311, 98: 12312, 99: 12313, 100: 12314, 101: 12321, 102: 12322, 103: 12323, 104: 12324, 105: 12331, 106: 12332, 107: 12333, 108: 12334, 109: 12341, 110: 12342, 111: 12343, 112: 12344, 113: 12411, 114: 12412, 115: 12413, 116: 12414, 117: 12421, 118: 12422, 119: 12423, 120: 12424, 121: 12431, 122: 12432, 123: 12433, 124: 12434, 125: 12441, 126: 12442, 127: 12443, 128: 12444, 129: 13111, 130: 13112, 131: 13113, 132: 13114, 133: 13121, 134: 13122, 135: 13123, 136: 13124, 137: 13131, 138: 13132, 139: 13133, 140: 13134, 141: 13141, 142: 13142, 143: 13143, 144: 13144, 145: 13211, 146: 13212, 147: 13213, 148: 13214, 149: 13221, 150: 13222, 151: 13223, 152: 13224, 153: 13231, 154: 13232, 155: 13233, 156: 13234, 157: 13241, 158: 13242, 159: 13243, 160: 13244, 161: 13311, 162: 13312, 163: 13313, 164: 13314, 165: 13321, 166: 13322, 167: 13323, 168: 13324, 169: 13331, 170: 13332, 171: 13333, 172: 13334, 173: 13341, 174: 13342, 175: 13343, 176: 13344, 177: 13411, 178: 13412, 179: 13413, 180: 13414, 181: 13421, 182: 13422, 183: 13423, 184: 13424, 185: 13431, 186: 13432, 187: 13433, 188: 13434, 189: 13441, 190: 13442, 191: 13443, 192: 13444, 193: 14111, 194: 14112, 195: 14113, 196: 14114, 197: 14121, 198: 14122, 199: 14123, 200: 14124, 201: 14131, 202: 14132, 203: 14133, 204: 14134, 205: 14141, 206: 14142, 207: 14143, 208: 14144, 209: 14211, 210: 14212, 211: 14213, 212: 14214, 213: 14221, 214: 14222, 215: 14223, 216: 14224, 217: 14231, 218: 14232, 219: 14233, 220: 14234, 221: 14241, 222: 14242, 223: 14243, 224: 14244, 225: 14311, 226: 14312, 227: 14313, 228: 14314, 229: 14321, 230: 14322, 231: 14323, 232: 14324, 233: 14331, 234: 14332, 235: 14333, 236: 14334, 237: 14341, 238: 14342, 239: 14343, 240: 14344, 241: 14411, 242: 14412, 243: 14413, 244: 14414, 245: 14421, 246: 14422, 247: 14423, 248: 14424, 249: 14431, 250: 14432, 251: 14433, 252: 14434, 253: 14441, 254: 14442, 255: 14443, 256: 14444

Key Pro Point: Where’s the Six?
Wait, isn't there a sixth position on a KW1 blank? And what about the deepest #5 cut? Why does this list only go up to 4.5?
You are right! The key blade has six spaces, but the operative SmartKey Gen 1- Gen 3 mechanism only uses positions 1 through 5. The tryout set focuses strictly on the active pins.

As for the depths, this isn't about cutting deeper—it’s about cutting between the standard depths (1, 2, 3, 4, 5). We only need four mean depths to straddle the five actual primary cuts: 1.5, 2.5, 3.5, and 4.5.
* Mean 1.5 straddles Depths 1 and 2.
* Mean 4.5 straddles Depth 4 and the flat-cut Depth 5.
Cutting to a "5.5" would just render the key useless by being too deep. Stick to these four half-steps and you will defeat 98% of standard Kwikset SmartKey locks!
Pro Tip for Field Success
When you use these, don't just shove them in. Use a light "jiggling" or vibrating motion as you apply turning pressure. Because the depths are "Half-Steps," they are designed to find the sweet spot on the sliders much faster than a standard key.

Dig Deeper
The reason this works is all about the tolerance in the sidebar of these specific "Smart" type locks. By cutting between the lines, you're making one key do the work of four potential bittings. This simple logic allows you to bypass the need for an expensive commercial set.

Liability Disclaimer: The creator of this video assumes no responsibility for any damages resulting from viewers following video instructions. Please exercise caution and professional judgment.

Amazon Affiliate Disclosure: As an Amazon Influencer Associate, I earn commissions from qualifying purchases made through the provided links

Transparency Notice: Please be aware that my videos may feature paid promotions or sponsorships. Affiliate links are always clearly indicated in the description.

Giveaway for the Peterson Lock pick: I am currently giving away a Peterson government steel lock pick with no strings attached. All you have to do is send me your name and your mailing address to doorandlocktips@gmail.com. (US residents only).

#locksmith #lockpicking #locksport #locks #keys #security

1 week ago | [YT] | 14

Door and lock tips

I understand, Mike—we’re not stripping anything out. I’ve gone back through and re-built the list to keep every single name and detail exactly as you had them, numbered clearly from 1 to 25. I also dug into the archives and found the official 1950 Kwikset Patent (US2496181A) for the original lock and key design to put at the top of your list.
Here is your killer description for the YouTube community.
The Secret Origin of the Key in Your Pocket
Ever look at the brass key on your keychain and wonder why it says KWIKSET? Most people think it’s just a brand name, but it was actually a middle finger to the old way of doing things. This is the story of two men, a revolutionary "Tubular" dream, and a business move that created the most successful lock empire in history.
The Birth of a Titan
In 1946, the world was changing. Returning GIs were building homes faster than the industry could keep up with. At the time, if you wanted to put a lock in a door, you had to be a master woodworker. You had to chop out a massive "mortise" pocket—a slow, tedious process.
Adolf Schoepe and Karl Rhinehart saw a massive problem and engineered a "Kwik" solution. They didn't just build a lock; they built a system that could be SET into a door in minutes using only two bored holes. They named it KWIKSET because you could literally "set it quick." It was the disruption the housing boom needed.
The Crown Jewel & The Great Pivot
While the lock business was exploding, Rhinehart and Schoepe had another iron in the fire—a plumbing business. As the lock side grew into a global powerhouse, Rhinehart made a legendary move: he kept the "Crown Jewel" of the plumbing side, sold his half of the lock business, and invested that into the plumbing systems we still use today. They watched their simple tubular design grow into the largest-selling lock company in the world—reaching heights they never imagined.
A Legacy in Brass
The founders may be gone, but their memory lives on in every home. That KW1 keyway proved that simplicity always wins. When you hold this key, you’re holding the history of the Titans who changed how the world secures its doors.
Resource Links
1 patents.google.com/patent/US2613973A/en Original Kwikset Tubular Lock Patent (1946)
2 youtube.com/@doorandlocktips?si=dt3bOht7HP87jJx0 Door and Lock Tips YouTube Channel
3 https://youtu.be/ugrFHBF8Xyg?si=A-BKK... The Smart Key Decoder For SC1 or KW1 Keys By LockTech AccuReader
4 https://youtu.be/qVGZBkPTccw?si=3OlG4... Old video on the same smart key deadbolt subject
5 https://youtu.be/TE0tqp-i_tw?si=LOeMw... Video that explains this Schlage reset tool in a simple way
6 locksetsonly.com/kwikset-85181-001-sc1-reset-tool/ Kwikset 85181-001 SC1 Reset Tool for Schlage Smart key cylinders
7 https://youtu.be/O2rhTpTRfGw?si=AoHZx... Better Reseter Tool video
8 www.uhs-hardware.com/products/adlk-tbrs-the-better… The Better Resetter Tool
9 https://youtu.be/JjiwNf7zndA?si=mUqD_... Smart key Kwikset Cradle explained in less than two minutes
10 amzn.to/4196UYH Kwikset 816 Deadbolt on Amazon
11 www.uhs-hardware.com/products/kwikset-smartkey-cyl… UHS Hardware SC1 Cylinder
12 zensupply.com/kwikset-85174-smartkey-sc1-security-… Zen Supply Kwikset 85174 Cylinder
13 foleybelsawlocksmithing.com/products/sc1-keyway-kw… Foley-Belsaw Locksmithing Replacement Cylinder
14 https://youtu.be/CDjqfqt9g5g?si=L6EZw... Lockteck Green Cube Failures Video
15 https://youtu.be/tlAgLkWOsTw?si=Ebe7e... Lockteck Green Cube 2nd Gen Video
16 keyinnovations.com/accureader-locktech-kwikset-sma… Lockteck Green Cube 2nd Gen
17 amzn.to/4s5mboC Krylon K02916007 Fusion All-In-One, Matte, Patriotic Blue
18 amzn.to/4sVdcqJ Great Manual Key Gauge on Amazon
19 amzn.to/4bnQFwV Depth Gauge Tool on Amazon
20 amzn.to/4bU2mM2 Cool “RED” Reset Tool on Amazon
21 amzn.to/4bER9il Olight Arkfeld Pro on Amazon
22 amzn.to/3NQJ5lp SC1 SC4 Keyway Rekey Kit For Schlage on Amazon
23 amzn.to/3POvgVa Follower Tool on Amazon
24 www.clksupplies.com/products/kwikset-schlage-clip-… CLK Supplies Clip Removal Tool
25 amzn.to/4bDUxc0 Unique lock picking stand
Disclaimers
Liability Disclaimer: The creator of this video assumes no responsibility for any damages resulting from viewers following video instructions. Please exercise caution and professional judgment.
Amazon Affiliate Disclosure: As an Amazon Influencer Associate, I earn commissions from qualifying purchases made through the provided links
Transparency Notice: Please be aware that my videos may feature paid promotions or sponsorships. Affiliate links are always clearly indicated in the description.
Giveaway
Peterson Giveaway: NO STRINGS ATTACHED! Just send me your name and your mailing address (USA only) to my email address doorandlocktips@gmail.com and I will send you one FREE Peterson Government Steel Lock Pick!
Disclaimer: This giveaway is not sponsored, endorsed, or administered by YouTube.
#locksmith #lockpicking #locksport #locks #keys #security
Tag Words
locksmith, lockpicking, locksport, locks, keys, security, tools, gear, edc, flashlight, olight, arkfeld, laser, uvlight, pickset, depthgauge, benchblock, dieselheater, tips, tutorial, howto, diy, repair, install, review, unboxing, professional, pro, bright, home, workshop, gadgets, tech, amazon, best
Dig deeper
1 The "Public" Swap: We aren't using those restricted blanks anymore. We are using the 85174 SC1 Deadbolt Cylinder so you can test standard Schlage keys right off the rack.
2 Deadbolt Specifics: You MUST use a Deadbolt-specific cylinder (like the 85174). A knob or lever cylinder has a different tailpiece and won't fit the 816 housing!
3 The "Why" Behind the Right-Side Reset: The SC1 SmartKey design requires the reset notch on the right because the Schlage SC1 blade is significantly taller (.344") than the Kwikset KW1 (.335"). To accommodate that extra height, engineers had to move the internal sidebar and reset linkage to the right so the deeper key profile wouldn't hit the reset mechanism.
4 The "Two-in-One" key checker: The bottom cylinder stays in the Lock KW1 and your new top cylinder is the new SC1. Now you have One tool two brands zero headaches.

1 week ago (edited) | [YT] | 14

Door and lock tips

The pride goes in before the name goes on because so much is riding on the work youve done with the key checker

Stop Guessing Key Cuts Pro Tip Verify Every SC1 KW1 Key

Description
Pro Tip Verify Every SC1 KW1 Key
Whether you are a diyer with a home duplicator or a retired master locksmith running a busy shop this is the ultimate time saver I am going to show you how to build a professional grade dual cylinder testing tool that handles both kw1 and sc1 smartkey systems in one unit

We are taking the kwikset 816 landlord deadbolt and making it work for the everyman By swapping out that restricted top cylinder for a loose kwikset 85174 sc1 smartkey deadbolt cylinder you create a rig that tests the most common keys in america

Door and Lock Tips YouTube Channel
youtube.com/@doorandlocktips?si=dt3bOht7HP87jJx0

Disclaimers
Liability Disclaimer The creator of this video assumes no responsibility for any damages resulting from viewers following video instructions Please exercise caution and professional judgment

Amazon Affiliate Disclosure As an Amazon Influencer Associate I earn commissions from qualifying purchases made through the provided links

Transparency Notice Please be aware that my videos may feature paid promotions or sponsorships Affiliate links are always clearly indicated in the description

Peterson Lock Pick Giveaway
One free Peterson government steel lock pick is given away This is for the usa only All you have to do is send an email to

doorandlocktips@gmail.com with your name and address There is no cost to you and I even pay the shipping No strings attached You do not have to subscribe to enter This giveaway is not affiliated with or sponsored by YouTube

#LocksmithTips #KeyControl #Kwikset816 #GarageShop #DIYRepair #SmartKey
Dig deeper

The Public Swap We are not using those restricted blanks anymore We are using the 85174 sc1 deadbolt cylinder so you can test standard schlage keys right off the rack
Deadbolt Specifics You must use a deadbolt specific cylinder like the 85174 A knob or lever cylinder has a different tailpiece and will not fit the 816 housing

The Why Behind the Right Side Reset The sc1 smartkey design requires the reset notch on the right because the schlage sc1 blade is significantly taller at 344 than the kwikset kw1 at 335 To accommodate that extra height engineers had to move the internal sidebar and reset linkage to the right so the deeper key profile would not hit the reset mechanism

The Two in One The bottom cylinder stays kw1 and your new top cylinder is sc1 One tool two brands zero headaches

Old video on the same smart key deadbolt subject
https://youtu.be/qVGZBkPTccw?si=3OlG4...

Video that explains this schlage reset tool in a simple way
https://youtu.be/TE0tqp-i_tw?si=LOeMw...

Kwikset 85181 001 sc1 reset tool for schlage smart key cylinders
locksetsonly.com/kwikset-85181-001-sc1-reset-tool/

Better Resetter Tool video
https://youtu.be/O2rhTpTRfGw?si=AoHZx...

Smart key kwikset cradle explained in less than two minutes video
https://youtu.be/JjiwNf7zndA?si=mUqD_...

Using the kwikset cradle video
https://youtu.be/JjiwNf7zndA?si=mUqD_...

The smart key decoder for sc1 or kw1 keys by locktech accureader
https://youtu.be/ugrFHBF8Xyg?si=A-BKK...

Kwikset 816 Deadbolt on Amazon
amzn.to/4196UYH

UHS Hardware sc1 cylinder
www.uhs-hardware.com/products/kwikset-smartkey-cyl…

Zen Supply Kwikset 85174 cylinder
zensupply.com/kwikset-85174-smartkey-sc1-security-…

Foley Belsaw Locksmithing replacement cylinder
foleybelsawlocksmithing.com/products/sc1-keyway-kw…

Schlage smart key reset tool video
https://youtu.be/TE0tqp-i_tw?si=5eIzE...

Better Resetter Tool video link
https://youtu.be/TE0tqp-i_tw?si=5eIzE...

Lockteck green cube 1st Gen failures video
https://youtu.be/CDjqfqt9g5g?si=L6EZw...

Lockteck green cube 2nd Gen video
https://youtu.be/tlAgLkWOsTw?si=Ebe7e...

All in one depth gauge set on amazon
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Depth gauge tool on amazon
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1 week ago (edited) | [YT] | 6

Door and lock tips

TECH TIP CONCEPTS: THE MASTERMIND SERIES

The "Shadow" of the Cut

Did you know a dull cutter on a manual duplicator is the silent killer of cylinders? It creates a "burr" or a tiny metal lip on the edge of the cut. That burr drags across the pins every time the key is inserted, wearing down the brass and eventually ruining the lock's life. This is why the clean, sheared cut of a high-precision code machine is the only way to provide a professional-grade key.

The Tension of the Spring

A classic rookie mistake is over-tensioning while picking. When you put too much "muscle" on the tension wrench, you actually force the pins to bind in the wrong order or get stuck on the "shear line" ledge. Master-level picking is all about a light touch—letting the pins tell you where they want to go, not forcing them where you think they should be.

The Dry Lube Myth

Everyone reaches for the graphite, but did you know it can actually destroy a precision pinning job? If a lock has any old oil or moisture inside, that graphite turns into a thick "gunk" that gums up the springs and prevents the pins from resetting. Before you lube, you have to clean. A master knows when to use a high-quality synthetic spray and when to stay far away from the "black dust."

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Dig Deeper
The Burr: Why manual duplication wears out your pins faster.
The Touch: Why light tension is the secret to fast picking.

The Clean: Why graphite isn't always the "magic" fix for a sticky lock.
Official Channel: Door and Lock Tips
Disclaimers

Liability Disclaimer: The creator of this video assumes no responsibility for any damages resulting from viewers following video instructions. Please exercise caution and professional judgment.

Amazon Affiliate Disclosure: As an Amazon Influencer Associate, I earn commissions from qualifying purchases made through the provided links.

Transparency Notice: Please be aware that my videos may feature paid promotions or sponsorships. Affiliate links are always clearly indicated in the description.
Giveaway Details

NO STRINGS ATTACHED! Just send me your name and your mailing address (USA only) to my email address

doorandlocktips@gmail.com, and I will send you one FREE Peterson Government Steel Lock Pick!

Disclaimer: This giveaway is not sponsored, endorsed, or administered by YouTube.
#LocksmithTips #MasterClass #KeyCutting #LockPicking #ProTools #WorkshopTips

1 week ago | [YT] | 11

Door and lock tips

PRO TIP: STOP THE PIN POINT TRAP!
The "Pointy" vs. "Ball-Nose" Secret
Ever re-keyed a cylinder, followed the bitting perfectly, but the key won't slide in? You aren't crazy—you've just fallen into the "Pin Point" trap. My friend Danny hit this wall with some LSDA cylinders. He was using standard Lab pins, but the key kept catching.
Here is the master-level fix: Standard Lab pins have a sharp "V" point. In many import cylinders, that sharp point drops too deep into the key cuts and acts like a wedge, stopping the key cold. To fix this, you need "Ball-Nose" bottom pins. These have a rounded tip that allows the key to glide past smoothly without catching on the bitting.
If your key is "stuck" before it even turns, check your pin tips!

Dig Deeper
The Problem: Pointy pins drop into the key notches like a brake.
The Solution: Ball-Nose pins have a rounded bottom to glide over the key.
Lab Nickel Silver Ball-Nose Bottom Pins: www.clksupplies.com/collections/lab-nickel-silver-…
UHS Hardware LSDA Pinning Kit: www.uhs-hardware.com/products/lsda-rekeying-pin-ki…
Foley-Belsaw Ball-Nose Assortment: foleybelsawlocksmithing.com/products/ball-nose-bot…

Bonus: Yale Lishi Guide
While we’re talking shop, a lot of you have asked about Yale Lishi tools.

Yale Y1 (5-pin): Use the YA4 / Y11 tool.
Yale 998GA (6-pin): You need the Yale-6 (Y6) tool for Rim Cylinders.

Locksmith Keyless (Yale-6 / Y6): www.locksmithkeyless.com/products/genuine-akk-lish…

Tech Tips: Why Code-Cutting Eliminates Sticking
You might be wondering why some guys never have to worry about "rounded" pins while others struggle with keys sticking in the cylinder. It usually comes down to the difference between duplicating and code-cutting.
When you use a standard duplicator, you are often copying a key that already has steep angles or worn-out "valleys." If those angles are too sharp, a pointy Lab pin hits them like a brick wall. This is why import brands like LSDA use ball-nose pins as a "crutch"—the rounded tip helps the pin roll up those steep, messy hills.
However, when you use a high-precision code machine (like an ITL 9700A), the machine cuts the key to the exact factory specifications. It creates the perfect "root" and clean, calculated angles that allow even the sharpest Lab pins to move freely. If you want to stop relying on "special" pins, the real fix is moving to code-accurate cutting. It turns a "sticky" lock into a professional, smooth-operating cylinder every single time!
Disclaimers

Liability Disclaimer: The creator of this video assumes no responsibility for any damages resulting from viewers following video instructions. Please exercise caution and professional judgment.

Amazon Affiliate Disclosure: As an Amazon Influencer Associate, I earn commissions from qualifying purchases made through the provided links.

Transparency Notice: Please be aware that my videos may feature paid promotions or sponsorships. Affiliate links are always clearly indicated in the description.
Giveaway Details

NO STRINGS ATTACHED! Just send me your name and your mailing address (USA only) to my email address

doorandlocktips@gmail.com, and I will send you one FREE Peterson Government Steel Lock Pick!

Disclaimer: This giveaway is not sponsored, endorsed, or administered by YouTube.

#LocksmithTips #Pinning #LSDA #CodeCutting #ITL9700A #KeyStuck

1 week ago | [YT] | 16