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

652 Satin Chrome, 633 Satin Brass, 640 Oil Rubbed Bronze, 651 Bright Chrome, 646 Satin Nickel, 632 Bright Brass, 639 Satin Bronze, 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

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