MUL-T-LOCK Hercular® Deadbolt / US3

High Security deadbolt system for commercial and residential doors.

Operation
90˚ key rotation throws the bolt 1″ towards the frame, interlocking two hardened ball bearings with the strike to increase jimmying resistance.

Options
Standard faceplate
Drive in (for beveled doors)
Double cylinder
Single cylinder
Captive key deadbolt

Materials
Ring and cylinder: solid brass
Bolt anti drilling ring: hardened steel
Strike: steel
Pins: nickel silver and stainless steel

Lifetime finishes
US3

Additional features
Suitable for two backsets, no need for different parts
Supplied as standard with 1″ (25 mm) throw
Thumbturn tail adjustable to door width

Cylinder mechanism
Mul-T-Lock’s unique, high-precision pin tumbler system.

Keys
Reversible nickel silver key with plastic key head and colored insert.
Also available in all nickel silver.

Cylinder platforms
Classic; Interactive®+

Cylinder options
Keyed different
Keyed alike
Master keyed
‘3 IN 1’ (changeable combination)

Standards
UL437; UL; Conforms to ANSI GRADE 1

Notes
Spacers required for doors less than 38 mm width.