Semi-Circle Type Locks: (high security)
There are 7 to 13 discs inside of lock and there are 6 angular positions on each disc. So lock provides more than one billion combinations which become one of the highest security locks in the world.
No spring-loaded locking pins are used. lock would be free from fatigue and wear. Besides, it has high security resistance to be picked or malfunctioned due to dirt, freezing, or corrosion.
Rectangular Type Locks: (high security)
Same as Semi-Circle, but the key shape and hole on discs are rectangular, which make easier key inserting and both sides of the key are available for insertion.
Tubular Type Locks: (medium security)
There are 7 spring pins aligned as radial arrangement, pins have several different lengths, which make more than 50,000 combinations. Owing to easier key inserting, tubular key locks are widely used in many fields.
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KD LOCKS CO., LTD.
NO. 70, KENG CHOU ROAD, WUKU HSIANG, TAIPEI HSIEN, TAIWAN, 24874 R.O.C.
TEL: 886-2-2971-3333 . 2981-8888    FAX: 886-2-2982-6645
E-mail: kdlock@ms56.hinet.net
http://www.kdlock.com