cal-royal-bb31-us26d-hinge

Cal-Royal BB31 4.5″ x 4.5″ Ball Bearing Hinge

Usually Ships: 2-3 Business Days
  • Meets industry standards ANSI/BHMA A156.1
  • .134 standard weight, ball bearing
  • Five knuckle, template hole pattern

Available Options:

Clear

Product Overview

Cal-Royal BB31 4-1/2 x 4-1/2 Standard Weight Ball Bearing Hinges, Five Knuckle

  • Recommended for medium-frequency usage
  • Made with four ball bearing assemblies
  • Recommended for use with a door closer
  • Packed with fasteners for hollow metal and wood doors
Brand

Finishes

632 Bright Brass, 633 Satin Brass, 639 Satin Bronze, 640 Oil Rubbed Bronze, 646 Satin Nickel, 651 Bright Chrome, 652 Satin Chrome, US1 (622) Flat Black
Hinge Type

Full Mortise
Size

4.5" x 4.5"
Knuckles

Five
Bearings

Ball Bearing
Usage

Medium Duty
Gauge

0 .134
Material

1040 steel

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Cal-Royal BB31 4.5″ x 4.5″ Ball Bearing Hinge