Carriage Bolt: 1/4-20, 1-1/2" Length Under Head, Square Neck MPN:CAI502501500-10

The MSCDirect carriage bolt is a heavy-duty fastener designed for securing wood or metal components to concrete or masonry structures using the built-in washer head for extra grip and support. Its square neck ensures alignment during installation, while the 1/4-20 thread size offers compatibility with various hardware or applications across industrial, construction or outdoor environments. With a 4-1/2 length underneath the head, this carriage bolt provides substantial holding power without protruding too far from surfaces for safety or cosmetic concerns. Its carbon steel composition delivers durability and affordability suitable for DIY woodworking projects, home repairs, renovations or heavy-duty assemblies in manufacturing plants, construction sites or outdoor installations where a stronghold is essential.