Description Alpha intermediate hand taps have a BSPF British standard pipe (G series) imperial thread and are made from high grade HSS material. They are manufactured to ISO and DIN Standards. Features: Suitable for use in medium tensile materials for general machine or hand operation The angle of thread is mostly a 55° angle, whilst the US method threads have a 60° angle They cut a thread true to a pre-drilled pilot hole This pipe thread is generally used when mechanical coupling BSPF imperial intermediate hand taps – quick reference Code Size Specs Qty BSPFHI1 25.40mm, 1” HSS 1 BSPFHI1-14 31.75mm, 1 1/4” HSS 1 BSPFHI12 12.70mm, 1/2” HSS 1 BSPFHI14 06.35mm, 1/4” HSS 1 BSPFHI18 03.18mm, 1/8” HSS 1 BSPFHI34 19.05mm, 3/4” HSS 1 BSPFHI38 09.53mm, 3/8” HSS 1 BSPFHI58 15.88mm, 5/8” HSS 1 BSPFHI78 22.23mm, 7/8” HSS 1
