UNF Chrome Tap Set by Bordo Size:1/2" x 20TPI Dust Extraction Connection Diameter (mm):

Dust Extraction Connection Diameter (mm): 27/36 mm

Front Point: Yes

Sound power level (LwA): 93 dB(A)

Using these tables

UNF Chrome Tap Set by Bordo Size:1/2" x 20TPI Dust Extraction Connection Diameter (mm):About this product: Chrome Alloy UNF 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. Unified National Fine thread form was introduced in 1948 as an attempt to standardise thread forms in the USA, Canada and the UK. The thread profile of UNF is the same as for