Somta Series 117 – 3 8" HSS Long Series Straight Shank Drill Insize Metric Outside Micrometer 0 150mm Range Series 3206 150A 0 (Metric Fine)✔ Standard: ISO ensuring smooth chip evacuation 0 (Metric Fine)✔ Standard: ISO 529✔ Material: High Speed Steel (HSS) for enhanced strength and wear resistance✔ Thread Form: 60° flank angle for precision and secure thread cutting✔ Tolerance Class: ISO 2 (6H) for a standard thread fit✔ Flute Type: Straight flute for effective chip removal✔ Lead Type: Intermediate lead for balanced cutting performance✔ Cutting Direction: Right hand cutting✔ Application: General purpose threading across various materials eg = CTGPR2525M16 would refer to a TP insert style Why Choose SOMTA Series 117 STRAIGHT SHANK DRILL 3 8" HSS Long Series Trusted brand known for quality and precision