The Universal Hardware SIngle Cylinder Deadbolt has a 3-hour UL fire rating and is ANSI Grade 1. It has an internal collar to prevent prying and wrenching and an anti-saw pin in the bolt. The latch has a 1 inch bolt throw.
Metal collar resists prying and wrenching
6-Pin SC4 brass cylinder, includes 2 keys
Fits 1-3/8” to 2” thick doors
Adjustable latch fits 2-3/8" or 2-3/4" backset
Saw resistant bolt
ANSI Grade 1
UH40055 Universal Hardware Single Cylinder Deadbolt, Satin Chrome Finish