Hex Flange Bolts

The mushroom head fastening hardware finds applications in woods and metals. We discuss the interesting features in these carriage bolts. The square-necked bolt with the mushroom head (shallow and dome-shaped) offer a self-locking option that goes through a round hole in woods, whereas, enters into a square hole of metals. This is a versatile accessory in the fastening applications. How did they get this popular name after ‘carriage’? In the 1800s, the carriage wheels and carriages had fastening bolts of this kind. Apparently, the christening of those bolts made it this popular today! DIY people have found carriage bolts useful enough for their home-based projects. Meanwhile, carpentry and wood construction professionals prefer this kind of fastening for furniture projects. Professionals in a low-loading industry utilize these carriage bolts for maintenance, repair, and associated projects. Some of the types for carriage bolts include rib-necked & roundhead, flathead &