EG STI Taps Intro AL-PO STI MS Material Specific Series SP Spiral Pointed Taps for Helical Coil Wire Screw Thread Inserts on Aluminium Alloys FEATURES SL HSS-E 5PTHCHT Material specific for through hole application.Specific design and NI treatment allow stable and longlife on Aluminium, Aluminium casting and die-casting. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) N1 5÷15 H N2 5÷15 H ST N3 5÷15 H N4 5÷15 H H 1st choice I suitable ROLL JIS-AL-PO STI TYPE: PO_001 TYPE: PO_002 CARBIDE DCON K KDCON THLLONGLU LKLS K THL LK KLS LF LF HAND TAPS EG (STI) JIS SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 522