3-1/2 In. Tight Surface Pin Weldable Door Hinge

Discover the 3.5-Inch Heavy-Duty Weldable Surface-Mount Door Hinge, a robust plain-steel solution engineered for permanent, flush-fit installations. Its compact 3‑½‑inch length and solid construction deliver a clean look while providing a reliable pivot point. Designed to be welded directly onto the door frame, this hinge eliminates the need for visible screws or mortises, ensuring an unobstructed surface. The tight-fit pin offers added stability for high-traffic or security-sensitive doors.

Why It Works for You: The weld‑on design creates a seamless, tamper‑resistant connection that reduces wear and prolongs service life. A 70‑lb safe working load makes it suitable for interior doors, cabinets, and light industrial panels. Its non‑swaged, surface-only configuration speeds up installation and cuts down on hardware clutter.

• Weld-Ready Construction: Plain steel body ready for direct welding, optimizing installation speed and structural integrity.
• Tight Pin Mechanism: Precision-machined pin resists play, delivering smoother operation and enhanced security.
• Surface-Mount Design: Non-swaged hinge fits flush on the door surface, preserving aesthetic lines and simplifying retrofit projects.
• High Load Capacity: Engineered for a 70 lb safe working load, ideal for commercial interiors and heavy-use applications.
• Bulk Packaging: Supplied one per pack and boxed for bulk orders, perfect for contractors and large-scale installations.

Final Thoughts: Choose this 3‑½‑inch weldable hinge for a clean, durable, and secure door solution that meets demanding environments. Its solid steel build, tight pin, and surface-mount capability combine to deliver a professional finish without compromising strength. Ideal for new construction, renovations, and industrial cabinetry, this hinge offers the reliability you need to keep doors moving effortlessly.