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’? ...

The name ‘carriage bolts’ came in the 1800s, when they were usually found in the construction of carriages. Over the period, they become popular for wood construction and carpentry. People indulging in home-based projects are in typical search of safe and practical apparatus, tools, equipment, and accessories. In the subject of fastening, carriage bolts are an ideal choice for holding wood on wood, metal on wood, and even metal on metal. The dome-shaped top of this bolt and square-section...

This bolt guide is made to inform you about various styles available. Top-notch attributes like size, finish, material, and length of a fastener are crucial, but knowing the style is exponential. With the large variety of head and thread styles, you need to find which one is the ‘right’ kind for your fastening application. The carriage bolts are typically used for metal fastening onto wooden surfaces. With a mushroom head, the carriage bolt has circular cross-section shank after a smal...