Wheels Articles Useful information

How to Identify the correct lug nut and wheel lock for your vehicle

 There are five main components to identify the correct lug nut or wheel lock:

  • Thread Size
  • Thread Pitch
  • Seat Type
  • Length/Dimensions
  • Finish/Color

 

Centre Bore

Centre Bore

The centre bore is the size of the hole in the centre of the wheel where the spigot fits through.  The centre bore, (also known as spigot size), is the diameter of this hole, usually measured in millimetres.

Bolt Pattern/Pitch Circle Diameter (PCD)

Bolt Pattern/Pitch Circle Diameter (PCD)

PCD (Pitch Circle Diameter) is the measurement of the diameter of the imaginary circle drawn through all of the wheel bolts or studs on a wheel.  It is also known as the 'bolt circle'.