Doormerica DB860 Double Cylinder Heavy Duty Deadbolt - Grade 1
Engineered for maximum security and durability, the DB860 Series deadbolts are tested to exceed 250,000 operational cycles, meeting ANSI/BHMA A156.36 Series 600 Grade 1 strength and operational requirements. Designed for both residential and commercial applications, these deadbolts feature 3” steel screws with an exclusive concealed wood frame reinforcer to protect against kick-in attacks, making them ideal for wood doors.
The 1” throw, high-strength deadbolt includes a hardened steel roller to resist sawing, while the concealed screw design on double-cylinder models enhances tamper resistance. The standard dust box provides deep anchoring, added strike strength, and space for a true deadlatch.
Specifications:
Handing: Non-handed
Door Thickness: 1-3/8” – 1-3/4”
Backset: 2-3/4” standard
Faceplate: 1-1/8” x 2-1/4” standard
Deadbolt: 1” throw, saw-resistant hardened steel roller inserted
Strike: 1-1/8” x 2-3/4” metal & wood strikes with reinforcement (supplied standard)
Cylinder: 5 & 6-pin solid brass “Schlage C” keyway, 2 brass keys per lock
Keyways: Available for most major manufacturers (factory lead time)
Options:
SFIC/LFIC interchangeable core & high-security cylinders
SFIC compatible (6 or 7-pin Best style)
LFIC compatible with Schlage 23-030 cylinder
Master keying, grand master keying, and construction keying
Functions:
Double Cylinder (DB860): Operated by key on both sides; bolt deadlocks when fully thrown.
Code Compliance:
ADA barrier-free compliant
UL listed for USA & Canadian safety standards (3-hour doors)
Meets UL 10C & UBC 7-2 (1997) Positive Pressure requirements
Warranty: Limited Lifetime Warranty
Doormerica DB860 Double Cylinder Heavy Duty Deadbolt - Grade 1
Product Name Doormerica DB860 Double Cylinder Heavy Duty Deadbolt – Grade 1 Duty Rating ANSI/BHMA A156.36 Series 600 Grade 1 (Heavy Duty) Cycle Testing Exceeds 250,000 operational cycles Security Features 3" steel screws with concealed wood frame reinforcer; 1" throw high-strength deadbolt with hardened steel roller; concealed screws on double cylinder for tamper resistance; standard dust box with deep anchoring and added strike strength Handing Non-handed Door Thickness 1-3/8” – 1-3/4” Backset 2-3/4” standard Faceplate 1-1/8” x 2-1/4” standard Deadbolt 1” throw with saw-resistant hardened steel roller Strike 1-1/8” x 2-3/4” metal & wood strikes with reinforcement (supplied standard) Cylinder 5 & 6-pin solid brass “Schlage C” keyway; 2 brass keys per lock Keyway Options Available for most major manufacturers (factory lead time) Options SFIC/LFIC interchangeable core & high-security cylinders; SFIC compatible (6 or 7-pin Best style); LFIC compatible with Schlage 23-030 cylinder; Master keying, grand master keying, construction keying Function Double Cylinder: Operated by key on both sides; bolt deadlocks when fully thrown Code Compliance ADA barrier-free compliant; UL listed for USA & Canadian safety standards (3-hour doors); Meets UL 10C & UBC 7-2 (1997) Positive Pressure Warranty Limited Lifetime Warranty Ask ChatGPT




