2pcs Interior Door Hinges Black | Mechanical | 4x4 | 6ft | 150 lbs | 1 ¾” Thick | SS304 | K51M-400-Residential-A2

Waterson interior door hinges black are built for residential doors up to 150 lbs, giving you adjustable spring tension, ADA-compliant closing force, and a clean 4"×4" full-mortise fit. For projects needing reliable interior door hinges, these residential door hinges provide consistent self-closing performance and are commonly used on bedroom door hinges where controlled, code-aligned closing is required. Attention: Special finishes (US4) is non-refundable DESCRIPTION DETAILS SPECIFICATIONS VIDEO Applications  3Hr Fire-rated Interior & Exterior Residential Project Bedroom door Arch Top  Heavy Duty Courtyard Style Product Description and Features Interior door hinges black meets all ADA codes: speed control, force, and clearance, which allows spring tension to adjust precisely. Fast shipping! Fully adjustable closing force and speed according to environment needs Numerical adjustment panel on hinge end to set up precise tension Mechanical only mechanism supporting heavy dut