Hyper Tough Single Cylinder Deadbolt

Operate the deadbolt mechanism by locking and unlocking with a key on the exterior and by a thumb-turn on the interior. 

• Single cylinder deadbolt function
• 1-inch deadbolt throw
• Pick, pry and bump resistant
• ANSI Grade 3
• Adjustable latch for 2-3/8" or 2-3/4" backsets
• Fits standard doors 1-3/8" to 1-3/4" thick
• Reversible, mount on left or right-hand doors
• Keyed on one side
• 2 keys included
• Ideal for exterior entry doors
• Easy to install, requires only a screwdriver

HTD3521-130 / HT3521-130

HT3521-105 - Polished Brass - DISCONTINUED