Email Facebook Twitter Google LinkedIn Whatsapp Share
Email Pinterest Buffer Digg Reddit Mix Tumblr VK Yummly Whatsapp

Types of Bolts & Bolt Heads

Bolts are externally threaded fasteners with metric or imperial (inch) screw threads with variety of thread profiles. Bolts are mostly used in combination with Nuts (Internally Threaded) with similar thread profile.

Since origin different types of bolts are developed with diversity in head styles, thread profile, etc.

On basis of Thread Profile, Bolts are classified into Metric Thread Bolts, Unified Thread Bolts, Acme Thread Bolts, Whitworth Thread Bolts and Buttress Thread Bolts. Further there are Metric Coarse Thread Bolts, Metric Fine Thread Bolts, Imperial Coarse Thread Bolts and Imperial Fine Thread Bolts.

Types of Bolts (Design)
  • Hex Head Bolts
  • Heavy Hex Bolts
  • Carriage Bolts
  • Lag Bolts
  • Eye Bolts
  • J Bolts
  • U Bolts
  • Flange Bolts
  • Shoulder Bolts
  • Elevator Bolts
  • Hanger Bolts
  • Sex Bolts
  • Anchor Bolts
  • Socket Head Bolts
  • Countersunk Bolts
  • Machine Bolts
  • Stove Bolts
Types of Bolts (Head Engagement)
  • Hex Head for Square/Hex Wrench
  • Hexagon Socket Head
  • Slotted Hexagon
  • Button Socket Head
  • Knurled Head
  • Round Head
  • Flat Countersunk Slotted
  • Countersunk Hex Socket
  • Square Head