A Practical Guide to Bolt Head Types for Secure Fastening

A bolt is a long piece of metal used to attach items by screwing them into a nut. When you bolt anything to another object, you use a bolt to fasten them together firmly. In this article, you’ll learn the different types of the bolt head.

Types of bolt heads

Bolt heads come in various shapes, with square, hex, slotted hex washer, and socket cap being the most popular. The square head bolts were the first to be used. Square heads are composed of a shaft that can withstand rotation when a torque is applied, followed by a square depression on the head.

Hex heads have become more prevalent, however square heads are still in use. To provide torque, hexagonal heads are used with a wrench or a spanner.

Other types of bolt heads

• Flat bolt head
• Oval bolt head
• Pan bolt head
• Truss bolt head
• Round bolt head
• Hex bolt head
• Hex washer bolt head
• Slotted hex washer bolt head
• Socket cap bolt head
• Button bolt head

 

Flat bolt head – A counter shank head with a flat top.

Oval bolt head – A counter shank head with a rounded head top.

Pan bolt head – A slightly rounded head with a short vertical side.

Truss bolt head – An extra-wide head with a rounded top.

Round bolt head – A Dome’s head.

Hex bolt head – A hexagonal head.

Hex washer bolt head – A Hexagonal head with a round washer at the bottom.

Slotted hex washer bolt head – A hexagonal head with a built-in washer and slot.

Socket cap bolt head – A small cylindrical head using a socket driver.

Button bolt head – A low-profile rounded head with a socket driver.

 

While screws and bolts have a lot in common, there are also some key distinctions. That is all for this article, where the various types of bolt heads are being discussed. Check out the various types of bolts and screws below. I hope you learned from the reading, if so, kindly share it with others. Thanks for reading, see you around!