4" Weld-On Hinge for Heavy Gates & Doors Bobco Metals 4 inch weldable, heavy duty butt hinges are designed to connect the gate to the post, and typically are used where a hinge must be welded to another metal surface. They are made out of good quality steel that is durable, sturdy, and long-lasting. Easy to install and are perfect for high-stress applications, such as holding up heavyweight gates, doors, and more. Available in sets of two: 1 pair, 2 pairs, 4 pairs, 5 pairs, 6 pairs, 8 pairs, 9 pairs, 10 pairs Specs and Measurements These weldable hinge plates are 1/4" thick and weigh 1 pound each. Length: 4 inHeight: 4 inWidth: 0.25 in thick Weld On Butt Hinges Made from Long - Lasting Steel Weld-on hinges do not need screws or other fasteners. They are suited for more permanent applications over bolt-on hinges. They provide more strength and security and are a good choice for your gates, trailers, door, or for tailgates. Hinge plates can have holes drilled in them for screw mounting if desired. These steel hinges are uncoated, and are their natural dark grey. They can be painted to match the metal surface to which they are attached. 4" x 4" Weldable Gate Hinges - Pair 3" x 3" Weldable Gate Hinges - Pair Steel 5/8" J Bolt Welded Hinge 5" Steel Barrel Gate Hinges 7" Weldable Barrel Gate Hinge 4" Cast Iron V-Groove Wheel Cover Box Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.7 out of 5 stars 367 4.4 out of 5 stars 231 4.3 out of 5 stars 15 4.6 out of 5 stars 216 4.3 out of 5 stars 54 4.5 out of 5 stars 131 Price $17.99$17.99 $18.20$18.20 $36.58$36.58 $29.50$29.50 $27.99$27.99 $29.99$29.99 Uses Connect heavy gates to post where weldable hinges are necessary. Connect heavy gates to post where weldable hinges are necessary. Mount heavy gates or doors needing a full range of swing. Mount heavy gates or doors by welding onto this barrel hinge. Install heavy duty gates or doors using the weldable mounting plates. Attach to residential rolling gates to smoothly open and close. Specs 4 in x 4 in. 3 in x 3 in. Threaded Arm: 4.3 in. Welding plate: 0.25 in. Barrel: 1 in 5 in long. Holds up to 450 lbs. 7 in long. Two hinges may hold up to 900 lbs. Wheel: 4 in. Wheel with box: 4.5 in. Materials Used Steel Steel Steel Hinges and welding plates: steel. Hinge pins: copper Barrel: steel. Pin: copper. Cover box: steel. Wheel: cast iron. Bolt: zinc plated. Packs 1 pair, 2 pairs, 4 pairs, 5 pairs, 6 pairs, 8 pairs, 9 pairs, 10 pairs 1 pair, 2 pair, 5 pairs, 7 pairs, 10 pairs 1, 2, 3, 4 units 1 pair (2 hinges), 2 pairs (4 hinges) 1 unit 1 wheel with box