Thread Pitch Gauge

Tool Number 221-30

An absolute must for anyone working on a classic bike, as will cover virtually all British and American thread sizes found on British motorcycles.

Britcycle 221-30 thread pitch gauge is the ideal way to figure out what hardware you have, helps make sure you get the correct part.
Especially helpful on motorcycles with parts from multiple years.

No. of Leaves
30

Thread Angle
55°

Degree
55°

Includes
4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 T.P.I.

No. of Blades
30

Range
4 ~ 42 T.P.I.