BEST Door Lever Hardware Cylindrical Locks - 9K

The 9K Cylindrical Lock Offers Simple, Safe and Dependable Protection.  The BEST 9K is the toughest cylindrical lock, built to deliver dependable use and superior security in a wide range of applications.  What sets the 9K apart is a low-maintenance design that protects critical components from the damage that comes with every day use and abuse. That translates to a lower cost of ownership over time since the BEST 9K lock requires significantly less maintenance and lasts longer overall. With proven Grade 1 security, easy core interchangeability, and a broad array of styles and finishes, the BEST 9K fits exactly where you need it.

1. For versatile applications, lever by knob trim variations are available.

2. Rose locking pin and rose assembly design offers great torque resistance.  It prevents the locking pin from twisting, bending, or breaking under attack.

3. The innovative design of the slotted key release cam and locking lug assembly create maximum attack resistance.  Even though damaged, the lock still allows key access. In addition, the lever is fully functional from the inside.  The hub-mounted torsion spring and .strong retractor springs help prevent lever sag and offer a smooth and snappy operation.

4. Strong through-bolt mounting studs increase torque resistance. Heavy rose liner material is highly attack resistant.

5. Strong retractor springs provide resistance to lever sag.

6. Zinc hubs with a shrouded locking lug, guaranteeing higher quality and increased torque resistance.

7. The outside lever sleeve is a seamless one piece construction made of a hardened steel alloy that provides additional reinforcement in the locking lug slot.

8. Lost Motion feature available allowing 45o lever rotation in either direction without engaging retractor assembly.

9. Interchangeable core allows for quick re-keying and customized masterkeying.