Oversized h stock standard, ) check stock EU, f check stock JP, m stock exhaustion HT BC Intro GP General Purpose Series Straight Fluted Taps for Bicycle Threads SP FEATURES HSS-E 5P 1.5P General purpose for bicycle threads SL THCHT THCHT Recommended Tapping Speeds Depending On Materials PO ISO Vc (m/min) P1 ≤10 H P2 ≤10 H H 1st choice I suitable ST ROLL JIS-HT BC TYPE: ST_012 K CARBIDE DCON THL LK K LS LONG LF HAND TAPS EG (STI) SPECIAL THREADS, GAUGES JIS THREAD MILLS DIES CENTER DRILLS Technical info 589