1/2" x 12 BSW Chrome Tap Set - 4228-1/2TS by Bordo Lock Mortiser Approved for dust class L

Approved for dust class L of EC regulation

Spring loaded

an audible and visible alarm will occur

1/8″

1/2" x 12 BSW Chrome Tap Set - 4228-1/2TS by Bordo Lock Mortiser Approved for dust class LAbout this product: 1 2" x 12 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. This thread form was developed