Corbin Russwin Heavy Duty Commercial Knob Passage Satin Chrome CK4210-GRC626 RH.

RUSSWIN GRADE 1 PASSAGE LOCKSET, GLOBAL KNOB 2-3/4" BS 626 - New old stock

Latchbolt by knob either side. Both knobs always free

Ideal for demanding high-use commercial, industrial and institutional applications including schools, universities, municipal buildings, airports and offices

FEATURES: Highest quality materials

Precision manufacturing ensures strength, durability and quiet operation

Patented "Lock-on" rose liners and thimble increase security and prevent lock from loosening 

SPECIFICATIONS: Door thickness: 1-3/4" to 2" standard

Backset: 2-3/4" standard

Latchbolt: Brass, chrome plated, 5/8" throw with nylon insert 

Strikes: ANSI curved lip standard, 4-7/8" x 1-1/4" x 1-1/4" lip to center

Certification/Compliance: ANSI: Meets A156.2, Series 4000 Grade 1.   Federal: Meets FF-H-106C. UL/ULC: All locks with 1/2" throw latchbolt  U.L. Listed for A label and lesser class single doors , 4" X 8"

Handing: Field reversible

Front: Wrought brass, bronze or stainless steel,  2-1/4" x 1-1/8" Warranty: One-year limited warranty

Finish: BHMA 626 - Satin Chromium Plated

Bell knob standard

Grade 1 Extra Heavy Duty