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Details
Details
Bommer BB5004-450-640 4.5" x 4.5" Steel Ball Bearing Hinge, Satin Bronze Plated, Dark Oxidized, Oil Rubbed
Bommer BB5004-450-640 Heavy Weight Full Mortise Ball Bearing hinge has a 5 Knuckle construction and comes in Satin Bronze Plated, Dark Oxidized, Oil Rubbed finish. Bommer BB5004-450-640 Ball Bearings are hardened steel raceways and balls with steel pin. The BB5004-450 are recommended for heavy weight door with high frequency of use.
ANSI: | A8111 |
UL: | BHMA Certified Grade 1 |