2" coventry collapsing tap with one set of chasers 2" x 14th

2" coventry collapsing tap with one set of chasers 2" x 14th, disassembled

This form of tap was patented by A. H. Lloyd and the makers in 1916. It collapses automatically and is provided with means for taking a roughing and finishing cut over the same thread.

Details

Category:
Hand and Machine Tools
Object Number:
1920-658
type:
tap - water
credit:
Alfred Herbert Limited