Product Overview
Schlage B660B Single Cylinder Deadbolt, 2-3/4" Backset, SFIC Prep, Less Core
Schlage’s toughest and highest grade heavy-duty Grade 1 commercial deadbolt. Choose the B660 for Grade 1 security in high-traffic commercial applications.
ANSI Function E0151: Deadbolt thrown or retracted by key outside or thumbturn inside
- SFIC Core Sold Separately
- 1" throw, high-strength steel alloy deadbolt with hardened steel roller resists sawing and kick-in attacks
- Metal shield protects bolt from ice-pick attack through the door
- Hardened steel ball-bearings protect mounting bolts from drill attack
| Brand | |
|---|---|
| Finishes |
626 Satin Chrome, 605 Bright Brass, 606 Satin Brass, 622 Matte Black, 612 Satin Bronze, 613 Oil Rubbed Bronze, 625 Bright Chrome, 643e Aged Bronze, 619 Satin Nickel, 609 Antique Brass |
| Deadbolt Type |
Single Cylinder |
| ANSI Function |
E0151 |
| ANSI/BHMA Standard |
ANSI A156.36, Grade 1. When installed with FSIC cylinder, Grade 2; SFIC cylinder, Grade 3. |
| Usage |
Heavy Duty |
| Cylinder |
Small Format Interchangeable Core (SFIC) Cylinder (Less Core) |
| Bolt |
1" throw bolt, 1-1/8" x 2-1/4" square corner face plate |
| Backset |
2-3/4" |
| Strike |
1-1/8” x 2-3/4“ square corner |
| Fire-Rating |
UL Listed for “A” Label 3 Hour Fire Doors |
| ADA Compliance |
Meets ADA requirements - A117.1 Accessibility Code |
| Door Thickness |
1-3/4" to 2" |
| Warranty |
3 Year |