B600-IC-626
b663-function
B660-626-INSIDE
B600-IC-626
b663-function
B660-626-INSIDE

Schlage B663B Classroom Deadbolt, Less Small Format Interchangeable Core

Usually Ships: 1-2 Business Days
  • ANSI Function: E0171
  • Classroom Function
  • Small Format Interchangeable Core Prep (Less Core)

Available Options:

Clear

Product Overview

Schlage B663B Classroom Deadbolt, 2-3/4″ Backset, (SFIC) Small Format Interchangeable Core 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: E0171– Deadbolt thrown only by key outside; retracted by key outside or thumbturn inside.

  • 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

605 Bright Brass, 606 Satin Brass, 609 Antique Brass, 612 Satin Bronze, 613 Oil Rubbed Bronze, 619 Satin Nickel, 622 Matte Black, 625 Bright Chrome, 626 Satin Chrome, 643e Aged Bronze
Deadbolt Type

Classroom
ANSI Function

E0171
ANSI/BHMA Standard

ANSI A156.36, Grade 1. When installed with FSIC cylinder, Grade 2; SFIC cylinder, Grade 3.
Usage

Heavy Duty
Cylinder

Less Interchangeable 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
Door Thickness

1-3/4" to 2"

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Schlage B663B Classroom Deadbolt, Less Small Format Interchangeable Core