Introduction Major Manufacturing’s HIT-66 System is one of the most ubiquitous installation tools in the locksmith industry. It allows locksmiths to perform professional installations of…
Introduction Locks come in a variety of shapes, sizes, finishes, backsets, etc. These features were implemented to fill needs. Lock functions too were designed to fill needs. Situations exist where a door should always…
Manufacturer: Sargent Series: 10 Line Type: Cylindrical Leverset Warranty: 7 year limited Listing: Listed for 3 hour doors (double doors require 41-option). Certifications: ANSI A156.2 Series…
[foogallery id=”1600″] Patent Number: 1,674,841 (Google Patents) Filing Date: August 20, 1923 Issue Date: June 26, 1928 Inventor(s): Walter R. Schlage Background I would personally…
We’ve just added a reference chart (direct link here) to the Library which contains function numbers, common names, and descriptions of the most popular ANSI/BHMA mortise,…
We’ve recently added a cross-reference PDF to the Cylindrical and Tubular Resources page (direct link here) that provides a list currently produced of Grade 1,…