EG STI Taps Intro AL-HT STI MS Material Specific Series SP Straight Fluted Taps for Helical Coil Wire Screw Thread Inserts on Aluminium Alloys FEATURES SL HSS-E 5P 1.5PTHCHTTHCHT Material specific for blind and through hole application.Specific design and NI treatment allow stable and longlife on Aluminium, Aluminium casting and die-casting. 1.5P chamfer for blind hole application, 5P chamfer for through hole application. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) N1 5÷15 H N2 5÷15 H ST N3 5÷10 I N4 5÷10 H H 1st choice I suitable ROLL JIS-AL-HT STI TYPE: HT_001 TYPE: HT_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 524