Best (Formerly Stanley) BB855A-5 x 6-USP Full Surface Heavy Weight Concealed Bearing Prison Hinge 5" x 6" With No Holes, Door Weighing Up To 800 Lbs, Based On a 36" x 84" Door, Using [3] Hinges, See Manuf Cut Sheet, USP Prime Coat Gray
Sold Per Each
The Best BB855A-USP is a 5" x 6" Concealed Ball Bearing Detention Prison Hinge that is designed for Application A Double Weight, with a maximum weight capacity of 800 lbs. It is primed for paint and meets USP/600 standards for quality and durability.
- For lead-lined doors to x-ray rooms and other exceptionally heavy doors
- Made of double-weight steel capable of carrying doors weighing up to 800 lbs. (363 Kg) (Based on a 3' x 7' door with 3 hinges)
- concealed hardened steel races contains sixteen 1/8" (3.2mm) hardened and ground steel balls which are assembled within a jacket
- Concealed bearings are well lubricated ensuring smooth, long-lasting operation
- Rolled knuckles are welded and machined
- Typically made not swaged, no holes (application A) for full surface applications, or for full mortise (applications C) applications. All other configurations are made to order
Product Specs
| Manufacturer | Best (Formerly Stanley) |
| SKU | BB855 5X6 A |
| Installation | Commercial |
| Origin | — |
| Unit of Measure | — |
| Finish | 600/USP |
| Finish Description | Primed for Painting |
| Finish Family | Primed |
Technical Specs
| Hinge Type | Hinge, Special Application |
| Mounting Style | Square |
| Knuckles | 3 |
| Bearing Type | Ball Bearing |
| Height | 5" |
| Width | 6" |
| Product Type | Hinges |
