Best (Formerly Stanley) BB852F-5 x 6-USP Half Mortised Triple Weight Concealed Bearing Prison Hinge, 5" x 6" No Offset, With Fasteners, Door Weighing Up To 1200 Lbs, Based On a 36" x 84" Door, Using [3] Hinges, See Manuf Cut Sheet, Prime Coat Gray
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The BB852F-5 x 6-USP Half Surface Triple Weight Concealed Bearing Prison Hinge is a high-quality solution for heavy doors weighing up to 1200 lbs, based on a standard 36" x 84" door and using three hinges. This hinge features a prime coat gray finish and comes with fasteners for easy installation. Refer to the manufacturer's cut sheet for more details.
For lead-lined doors to x-ray rooms and extremely heavy doors and gates
For hinged cell-front doors and grated steel doors of penitentiaries, jails, reformatories, etc.
Made of triple weight steel capable of carrying doors weighing up to 1200 lbs. (544 Kg)
(Based on a 3' x 7' door with 3 hinges)
concealed hardened steel races contains sixteen 3/16" (4.8 mm) hardened and ground steel balls which are assembled within a jacket
Provision has been made in the barrel of the hinge for forced lubrication if further lubrication is necessary
Typically made not swaged, no holes (application A) for full surface applications, or for full mortise (applications C) application. All other configurations are made to order
