Description
ALFA SPT170139 9/16-18 Ground Thread Right Hand Spiral Pointed Tap, HSS, Bright Finish
Specially designed for tapping deep through or blind holes where chips may collect at the bottom of the hole .
Prevents clogging by forcing chips ahead of tap .
Suitable for tapping most materials, especially those with high ductility .
Also known as “gun taps” as chips are shot forward
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