Don-Jo CSPB50 Spreader Bar The Don-Jo CSPB50 Spreader Bar is a heavy-duty door hinge engineered to carry the weight of the door without sagging, binding, or squeaking. Precision-machined knuckle and pin deliver years of silent swing on residential and commercial openings. Don-Jo is the contractor's go-to for door reinforcement and protection hardware — built in the USA, sized to fit virtually any door prep, and trusted on millions of openings. At RightSet Hardware, every Don-Jo order ships with our Right Fit Promise — verified specs, accurate fitment guidance, and friendly support from a team that actually knows door hardware. If it doesn't fit your opening, we'll make it right. Why pros and homeowners choose the Don-Jo CSPB50 Spreader Bar Heavy-duty load capacity. Sized and rated for the door weight and use frequency of the opening — built so the door never sags. Smooth, quiet operation. Precision-machined knuckle and pin deliver years of silent swing on residential and commercial doors. Non-removable pin option. NRP variants prevent the hinge pin from being driven out from the unsecured side of the opening. Coordinating decorative finish. Matched-finish hinge ties together knobs, levers, and deadbolts for a fully finished door. Standard door prep. Fits the industry-standard hinge mortise depth and screw pattern used on virtually all residential and commercial doors. Sold individually or as a pack. Verify pack quantity on the spec sheet before ordering — most residential doors need three hinges per leaf.
