Spiral Fluted Taps Intro AUSP Rc Z-PRO Series SP Spiral Fluted Taps for Taper Pipe Threads, Coated DIN FEATURES SL HSS-E COATING 2.5P Standard and Long shank Z-PRO Series for extendedoverhang on blind hole application on wide range ofmaterials. THCHT A unique cutting edge geometry and special coating allow excellent surface finish and long life. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min) P1 ≤7 H M1 ≤3 H K2 ≤5 I N1 ≤10 H P2 ≤7 H M2 ≤3 H N2 ≤10 H ST P3 ≤7 H N3 ≤10 I P4 ≤5 I N4 ≤5 I P7 ≤3 H WATCH THE VIDEO H 1st choice I suitable ROLL DIN-AUSP Rc Product Features CARBIDE AUSP Rc (PT) 1/4-19 Excellent surface finish Competitor's spiral fluted tap Work-material St 44-3 - 1.0144 Tapping speed 5 m/min LONG Machine Machining center Holder Tap holder with tension/compression Lubricant Water soluble oil HAND TAPS Bored Hole Ø (mm) A - B When Threads have When Threads do not have non-Full Threads the non-Full Threads EG (STI) A Basic Diameter Position B SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 90