Sandvik HSS PM Blue Spiral Flute PVD FeN coated Tap 3 4" UNC, DIN 2184 1 Long Body Insize Digital Point Caliper 0 150mm 0 6" Range Series 1183 150A 4 UNC (Unified National Coarse)✔ 280 Piece Brass Hex standard course Nut kit 4 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 Insize Outside Spring Caliper Technical Specifications The spiral flute geometry with a 45° helix angle ensures efficient chip evacuation from blind holes