BEST B Series Padlocks: 11B, 21B or 41B, Shackle Codes, Key Retained or Not, and Chain Options
Ordering a BEST padlock for a BEST keying system? Here is how the 11B, 21B and 41B numbers work: shackle diameter and height codes, key retained T or non-key retained L, the M1 and M5 chains, the shroud option and the 7-pin core housing.
BEST Cylindrical Lock Parts: Deadlocking Latches by Backset and Throw Members for 7KC, 8K, 9K and 6K
Replacing the latch or the throw member in a BEST 7KC, 8K, 9K or 6K cylindrical lock? Find the latch by series and backset, narrow or wide face, deadlocking, spring or drive-in, and the throw member BEST lists for each series.
BEST Keys: How to Read 1A and 1AP Key Numbers, Change and Control Keys and KS Stamp Codes
An order line reads 1A1A1KS473KS800, 1A2A2 or 1AP1WB1KS609KS800. Here is how BEST builds the number: bow, key type, keyway and cut code, the KS stamp codes BEST defines, and what separates a control key from an operating key.
BEST Electrified Locks 45HW, 9KW and 8KW: What DEU, DEL, RQE and 12V Mean in the Number
Replacing a BEST electrified lock? Read numbers such as 45HW7DEU15R626RQE and 9KW37DEL15KS3626RQE field by field: DEU or DEL in BEST's own fail safe and fail secure terms, the RQE, LS, DS and C options, and 12 or 24 volts.
BEST 7KC, 8K and 6K Cylindrical Locks: How to Read the Number, Door Prep and How They Differ From the 9K
A BEST number such as 7KC37AB15DS3626 or 8K37D4AS3626 spells out backset, core housing, function, trim, strike and finish. Read the 7KC, 8K and 6K code by code, check the door prep BEST lists and see how they relate to the 9K.
dormakaba Simplex Pushbutton Locks: Which Series Fits Your Door (1000, L1000, 5000, 8100) and Which Sheet Covers Installation
Adding or replacing a dormakaba Simplex pushbutton lock? See which series suits the door, from the 1000 knob and L1000 lever to the 8100 mortise and 5000 lock or exit trim, which take a key override core and which sheet covers drilling and the code.
Ilco Mortise, Rim and Key-in-Knob Cylinders: Part Numbers, Lengths, Cams and Tailpieces
Have an Ilco cylinder number like 7185-SC1-26D-KA2 from the box or an old order? We read it field by field with Ilco's 2026 catalog: mortise lengths and pins, cam codes, rim and 1599 key-in-knob tailpieces, keying codes, and the cylinder length a 4500 deadbolt needs.
Hafele Price Update on November 19, and the Products Leaving the Line
Hafele has published a new price list that takes effect on November 19, 2026, and our prices for Hafele products change on the same day. Most of the catalog stays exactly where it is.
Hafele Plug-and-Play LED Light Kits: What Is in the Box, Which Light Color to Choose and How the Setup Works
Three Hafele plug-and-play LED light kits, 833.96.375, 833.96.376 and 833.96.377, put the driver, LED strip, Connect Mesh distributor and wireless wall switch in one box. Compare tunable white, 3000 K and 4000 K, see the parts list and follow the setup steps.
LCN Senior Swing 9500IQ: How to Choose 9531IQ, 9542IQ, 9553IQ or 9563IQ (Push or Pull, Single or Pair, Arm, Cover and Opening Width)
Single door or pair, push or pull side, and whether a pair opens together or independently: that decides which LCN Senior Swing 9500IQ to order. See how LCN matches the 9531IQ, 9542IQ, 9553IQ and 9563IQ to an opening, with arms, covers, finishes and controller setup.
