Somta Series 541 HSS Straight Flute Short Hand Second (Intermediate) Tap UNC 1 1 4" x 7 TPI Insize Metric Long Stroke Dial Indicator 50mm Range Series 2309 50D Supplied with setting standards (except 4120 20N Supplied with setting standards (except 0 25mm) limit hands ✔ Thread Size: 1 1 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 SOMTA’s high performance threading solutions are designed for durability and precision