Using TMK Registers

2018-12-04T12:40:43+00:00 December 4th, 2018|All, Cores and Cylinders, Master Keying|

Introduction TMK abb. top master key Top Master Key n. the highest level master key in a master key system In Fundamentals of Master Keying, Jerome Andrews brings up the following point: As you write a new TMK, how do you know that you haven't already used it for some [...]

Inside U-Change Cylinders

2018-11-18T09:58:11+00:00 November 19th, 2018|All, Cores and Cylinders|

The following article was written by Gordon, a locksport enthusiast from Arizona.  Note: I frequently come across people who still think this lock is the same internally as a Kwikset SmartKey.  Let me be clear on this from the start - internally, the U-Change is nothing at all like a SmartKey. Yes, the front of [...]

Tools Update: New Key Bitting Specifications and Pinning Worksheets

2018-10-14T10:21:49+00:00 September 10th, 2018|All, Cores and Cylinders, Key Bitting Specifications, Keys, Tools Update|

New Key Bitting Specifications There are 5 new key bitting specifications (KBS) available on the Key Bitting Specifications page in the Tools section: Chicago Disc Tumbler Corbin Russwin Access 3 (AP) Master Lock Pro Series National Disc Tumbler (Single Sided) Sargent Degree (DG1) The Chicago and National Disc Tumbler represent [...]

Tyler’s Take: Don’t Ignore the ‘Bible’!

2018-10-14T10:18:24+00:00 September 4th, 2018|All, Cores and Cylinders, Locks, Tyler's Take|

Introduction Far too often I have seen cylinders rekeyed incorrectly. I've seen this in person and online, specifically on YouTube. The incorrect rekeying process typically goes like this: Remove the cam/tailpiece. Remove the plug with a follower. Dump the old bottom pins. Install new bottom pins. Re-install plug. Re-install cam/tailpiece. [...]

Introductory Locksmithing: Decoding Keys

2018-08-21T15:24:04+00:00 August 20th, 2018|All, Cores and Cylinders, Introductory Locksmithing, Keys|

Introduction Examples abound of instances where you must decode a key in the field or in your shop. At its most basic level you may simply want the bitting from a key. You may need to decode a key to determine which key bitting specification it uses so that you know how to pin cylinders or cut additional keys to match the manufacturer’s requirements. Whatever the case [...]