The Bordo Chrome Tap Set BSW 1/4 x 20 (4228-1/4TS) is a precision toolset for threading and tapping operations in British Standard Whitworth (BSW) thread pattern with a 1/4-inch diameter and 20 threads per inch.

  • 1/4″” x 20 BSW Chrome Tap Set
  • Chrome Alloy BSW Hand Tap Set.
  • Used as thread chasers to clean an existing thread.
  • They can also be used to create a new female thread in non-ferrous metals and plastics.
  • Chrome alloy taps are not suitable for creating precision, safety or critical threads.
  • British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads.