Long Taps Intro LS-PT GP General Purpose Series SP Long Shank Straight Fluted Taps for Taper Pipe Threads FEATURES SL HSS-E 2.5PTHCHT Long shank general purpose for extended overhang onblind and through hole application.For steel application at low cutting speed, also suitable forcast iron and non-ferrous materials. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min) P1 ≤5 I K1 ≤5 I N2 ≤5 I P2 ≤5 H K2 ≤5 I N3 ≤5 I ST P3 ≤5 I N4 ≤5 I P4 ≤5 I H 1st choice I suitable ROLL JIS-LS-PT Bored Hole Ø (mm) A - B CARBIDE When Threads have When Threads do not have non-Full Threads the non-Full Threads Basic Diameter Position A B LONG JIS HAND TAPS EG (STI) SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 486