Bordo BSW Tap Set HSS Hand and Machine Tap - 3028 Diameter (inch):1 KCM Roller Chain Double Pitch

KCM Roller Chain Double Pitch Nickel Plated

8m chrome leather protection to shield workpieces

● Cures on oily

rubber or residue from metal surfaces

stainless steel and aluminium

Bordo BSW Tap Set HSS Hand and Machine Tap - 3028 Diameter (inch):1 KCM Roller Chain Double PitchHSS BSW Hand and Machine Tap Set This thread form was developed by Sir Joseph Whitworth in 1841 British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads Bottoming Taps have a lead of two threads and are used to ensure minimum thread run out when tapping to the bottom of a blind hole. Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand