UNF Chrome Tap Set by Bordo Size:1/2" x 20TPI Using these tables

Using these tables

Fitted with an adjustable front stop - or dog - that gives you additional clamping facility when used with a bench top

eliminating the need to re-zero the dial

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Collar diameter: 43mm

UNF Chrome Tap Set by Bordo Size:1/2" x 20TPI Using these tablesAbout 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