Single‑Action Spring Hinge for Residential | 3.5″×3.5″ | Adjustable Tension | UL10C 3‑Hour Fire Rated | ANSI/BHMA A156.17 Grade 1 | 2.5/2.7 mm
- Sizes: 3.5″×3.5″
- Leaf thickness options: 2.5 mm, 2.7 mm
- Adjustable spring tension via hex wrench or tension rod
- 2 anti‑friction ball bearings for smooth return
- ANSI/BHMA A156.17 Grade 1; up to 1,000,000 cycles
- UL10C fire‑rated up to 3 hours
- Corners: square, 1/4″ radius, 5/8″ radius
- Materials/finishes: stainless steel or steel; US15, US26, US4, US10B, US19, US14
- Supplied with machine and wood screws