Related products
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Cal-Royal - BB5200 4.5" x 4.5" Heavy Weight NRP Ball Bearing Hinge (Non-Removable Pin)
Multiple FinishesStarting at: $21.09
Usage: Heavy Duty -
Cal-Royal - BB31 4.5" x 4.5" Ball Bearing Hinge
Multiple FinishesStarting at: $6.68
Usage: Medium Duty -
Hager - BB1279 NRP 4.5" x 4.5" Ball Bearing Hinge (Non-Removable Pin)
Multiple FinishesStarting at: $8.78
Usage: Medium Duty -
Trudoor Choicefor standard NRP hinges
Trudoor - BB-NRP - 4.5" x 4.5" NRP Ball Bearing Hinge (Non-Removable Pin)
Multiple FinishesStarting at: $5.35
Usage: Medium Duty
Product Overview
Cal-Royal BB31 NRP 4-1/2 x 4-1/2 Standard Weight Ball Bearing Hinges, Five Knuckle, Non-Removable Pin
- 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
- NRP (non-removable pin) – security feature for outswing doors
| Brand | |
|---|---|
| Finishes |
630 Satin Stainless Steel, 652 Satin Chrome, 633 Satin Brass, US1 (622) Flat Black |
| Hinge Type |
Full Mortise |
| Size |
4.5" x 4.5" |
| Knuckles |
Five |
| Bearings |
Ball Bearing |
| Gauge |
0 .134 |
| Material |
1040 steel or 304 series stainless steel |
| Usage |
Medium Duty |
Related Products
-
Cal-Royal - BB5200 4.5" x 4.5" Heavy Weight NRP Ball Bearing Hinge (Non-Removable Pin)
Multiple FinishesStarting at: $21.09
Usage: Heavy Duty -
Cal-Royal - BB31 4.5" x 4.5" Ball Bearing Hinge
Multiple FinishesStarting at: $6.68
Usage: Medium Duty -
Hager - BB1279 NRP 4.5" x 4.5" Ball Bearing Hinge (Non-Removable Pin)
Multiple FinishesStarting at: $8.78
Usage: Medium Duty -
Trudoor Choicefor standard NRP hinges
Trudoor - BB-NRP - 4.5" x 4.5" NRP Ball Bearing Hinge (Non-Removable Pin)
Multiple FinishesStarting at: $5.35
Usage: Medium Duty -
Trudoor Choicefor standard hinges
Trudoor - BB - 4.5" x 4.5" Ball Bearing Hinge
Multiple FinishesStarting at: $5.32
Usage: Medium Duty
Cal-Royal BB31 NRP 4.5" x 4.5" Ball Bearing Hinge (Non-Removable Pin)