Radius, round corner hinge. Designed for industrial, commercial, and residential doors, especially in marina and other outdoor applications. Round corner, full mortise. Stainless steel for maximum corrosion-resistance. Nonrising pin. Removable pin for easier installation. Heavy-gauge material for added strength. Nib on hinge for finished appearance. 1 per pack.

National catalog model No. 505 series. Steel tight pin broad butt for average weight doors. Plain steel finish.

National catalog model No. SPB512 3 In. square corner door hinge. Heavy-gauge cold-rolled steel for added strength. Flush pin for finished appearance. 5 knuckle full mortise design. Square corners. Screw holes are countersunk. Removable pin for easier installation or removal of doors.

Catalog model No. V125 series. 3″ cold-rolled steel, solid brass adjustable collar. Strong fully enclosed spring. For use on either right hand or left hand doors. Stud pin adjusts to provide desired closing speed. Full-surface application, no mortising required. Packed 1 pair in a visual pack with screws.

National catalog model No. SPB512 3 In. square corner door hinge. Heavy-gauge cold-rolled steel for added strength. Flush pin for finished appearance. 5 knuckle full mortise design. Square corners. Screw holes are countersunk. Removable pin for easier installation or removal of doors.

Designed for use on chests, cabinets, small doors and other specialty applications. Surface mount, no mortising required. Removable pin for easy installation and removal.

Round corner residential door hinge (National Model 512RC) for use on interior residential doors. 1/4 In. round corner radius. Removable pin for quick and easy installation. Screws included. Steel material.

National catalog model No. V127 double-acting spring hinges. Double action, self closing, provides 2-way access for swinging doors. Tight pin is adjustable to provide desired closing speed for a variety of swinging-door applications. Screws included. Cold-rolled steel hinge.