9K57A15DSTK690LM Best 9K Series Dormitory or Storeroom Cylindrical Lever Locks with Contour Angle with Return Lever Design Accept 7 Pin Best Core in Dark Bronze Finish
The Best 9K57A15DSTK690LM series is one of the toughest heavy-duty cylindrical locks on the market with the proven Grade 1 security. The 9K series is ideal for retrofit and new construction alike. The Best 9K series are listed by the BHMA for A156.2, Series 4000, Grade 1. This series is simple, safe and dependable protection.
Dormitory or Storeroom lock: Latch operated by rotating inside lever, rotating the outside lever only when inside turn button is in unlocked position or turning the key in the outside lever; Turn button must be manually rotated to unlock the outside lever; Outside lever is locked and unlocked by turning the inside button; Inside lever is always unlocked.
Features and Benefits:
- Dark Bronze finish
- Backset: 5"
- Handing: Non Handed
- Core is not included
- Single cylinder function
- Cylinder: 7-Pin housing; accepts all BEST SFIC cores
- Door thickness: Available for 1-3/4" to 2-1/4" doors only
- Latch: Solid brass 9/16" throw. Front 2-1/4" x 1-1/8" beveled
- Strike: STK standard (2-3/4" x 1 1/8" with curved lip)
- Projection on door - Approx 2-3/4" when mounted on 1-3/4" door.
- Lever style: 15 - Contour angle with return lever
- Rose style: D - 3-1/2" convex
- Deadlocking latchbolt standard
- Fasteners: All mounting screws are concealed. All machine screws (AMS) standard.
*Note: It includes a lost motion design allowing the lever to move 45°-60° without engaging the retractor assembly.