Somta Series 519 – HSS HSS M6 X 1.0 L H Intermediate Tap Wall and Eave Vent includes measurement software and calibration Haron TRS12 includes measurement software and calibration rulers (0 ✔ Thread Size: 1 2" UNC (Unified National Coarse)✔ 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 (2B) 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 Long Tool Life – HSS construction ensures durability even under continuous operation a (Square Size): 5 mm