A type of butt hinge, it has hidden bearings between the knuckles of the hinge, which reduce friction and help doors operate more smoothly. Ball bearing hinges are considered heavy-duty and durable, ...
A new, patented heavy-duty roll-up door hinge fromTransglobal is said to be six times stronger than conventional hinges with interchangeable “W-style” hinges on ¾-in plywood, ½-in. composite, and ...