Spiral Pointed Taps Intro ZELX AL PO MS Material Specific Series SP Spiral Pointed Taps for Aluminium FEATURES Material specific for through hole application. 5P SL HSS-E NI Specific design and NI treatment allow stable and long THCHT life on Aluminium, Aluminium casting and die-casting. Recommended Tapping Speeds Depending On Materials PO ISO Vc (m/min) ANSI N1 5÷15 H N2 5÷15 H N3 5÷15 H ST H 1st choice I suitable ROLL ANSI-ZELX AL PO TYPE: US_030 TYPE: US_007 CARBIDE K K DCON DCON THL LK THL LK K K LS LONG LU LF LF HAND TAPS EG (STI) SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 260