Spiral Fluted Taps Intro ZELX AL SP MS Material Specific Series SP Spiral Fluted Taps for Aluminium ANSI FEATURES Material specific for blind hole application. 2.5P SL HSS-E NI Specific design and NI treatment allow stable and long THCHT life on Aluminium casting and die-casting. Recommended Tapping Speeds Depending On Materials PO ISO Vc (m/min) N1 10÷25 H N2 10÷25 H N3 10÷25 H ST N4 10÷25 H H 1st choice I suitable ROLL ANSI-ZELX AL SP TYPE: US_002 TYPE: US_014 CARBIDE K K DCON DCON THL LK K THL LK K LONG LU LF LF HAND TYPE: US_007 TAPS DCON K THL LK K EG (STI) LS LF SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 186