Tools & Gear Taps & Dies HSS Hand and Machine Taps

BSPF (G SERIES)BRITISH STANDARD PIPE BSPF (G SERIES) This series is a pipe thread which is used mainly for mechanical coupling. The angle of thread is mainly 55 deg; however for the US method some threads have a 60 deg; angle. It is specified according to JIS and ISO R228. TAPER TAPS have a lead of eight threads and are used as a starting tap in difficult or high precision holes. Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.