3 Inch Weld-On Bullet Barrel Heavy Duty Hinges, Low Carbon Steel 4 Pack | Solid Steel Core Pin; Grease Zerk & 0.08" Thick Brass Washer; Detachable Pin; For BBQ Smoker, Gate, Trailer Ramp & Shed

Our heavy-duty bullet barrel weld-on hinges are made of high-quality carbon steel, featuring strong load-bearing and weather resistance. With a solid steel core, thick brass washer and zerk grease fitting, they ensure smooth, silent rotation and long service life. The classic bullet barrel design is easy to weld, and multiple sizes/packs meet various needs for BBQ smokers, metal gates, trailer ramps and industrial use.

• 【Solid Steel Core Construction】Hollow hinge pins can bend over time — doors may sag and lids lose their flush fit. These weld on barrel hinges use a solid steel core pin rather than thin-walled tubing. The solid construction helps resist bending and keeps doors and lids aligned through daily use. Weld once and maintain proper alignment long-term.
• 【Extra Thick Brass Washer & Grease Zerk】Thin washers tend to wear out quickly, which can lead to squeaking and binding. Each hinge includes a 0.08-inch extra thick brass washer to reduce metal-on-metal friction, plus a standard grease zerk for quick lubrication. Annual lubrication keeps smooth, quiet swing — no disassembly required.
• 【Removable Pin Design】Fixed-pin hinges require cutting welds for routine maintenance, adding unnecessary labor and expense. The removable pin allows door or lid removal for painting, gasket replacement, or repairs. Reinstall the pin in seconds — no grinding off old welds, no re-welding required.
• 【High-Strength Carbon Steel】Thin-gauge steel can soften and warp under repeated smoker heat. High- strength carbon steel with a solid barrel body resists deformation at elevated temperatures, outperforming lightweight hardware in high-heat applications. Ships with temporary anti-rust storage oil — apply protective paint or coating for long-term outdoor installation.
• 【Versatile Heavy-Duty Applications】One hinge design for multiple welding projects. Compatible with BBQ smoker lids, metal swing gates, trailer ramp doors, farm shed panels, access hatches and custom fabrication. Weld onto flat steel surfaces and put to work — ideal for DIY builders, fabricators, welders and shop owners. Solid barrel & bullet hinge construction for projects requiring reliable hardware.