LINDSTROM Carriage Bolts: Square Neck, 1/4"-20 Thread Size, 1 1/2 in lg, Steel, Grade 5

Lindstrom Grade 5 steel square neck carriage bolts are used in wood-to-metal or metal-to-metal fastening where a smooth, rounded head is desired. The square neck prevents rotation during tightening, making them ideal for structural assemblies, machinery guards, and conveyor systems across industrial maintenance and fabrication.

These Lindstrom carriage bolts have a 1/4"-20 thread size, 1 1/2 in length, Grade 5 steel construction, and a zinc-plated finish. They come in a pack of 10. The square neck design locks into place during installation, providing secure fastening without the need for a wrench on the head.

3G Electric supplies Lindstrom Grade 5 steel square neck carriage bolts worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other fastener needs across 14 industrial departments.

Insert the bolt through a pre-drilled hole matching the square neck profile to prevent spinning. Use a washer and nut on the opposite side, then tighten the nut with a wrench. The square neck locks into the material, so no tool is needed on the bolt head. Torque to Grade 5 specifications for optimal clamping force.