Size is 57mm initial which will screw down to 33mm
Somta Series 349 – 5/16" HSS-Co8 2 Flute End Mill (Slot Drill) | 3490794
Straight Flutes – Ensure even chip removal and smooth finish in structural metals
HSS Construction – Provides high toughness and cutting-edge retention under heat and load
12 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
Sandvik Coromant BT50 ER20 Collet Chuck Holder - 160 mm HEPYC Multi Flute 16mm HSS-Co8e Multi-Purpose End Mill Size is 57mm initial whichSandvik Coromant BT50 ER20 Collet Chuck Holder 160 mm The Sandvik Coromant BT50 ER25 Collet Chuck Holder is a high precision tool holder designed for secure and accurate clamping of ER40 collets in CNC machining, milling, drilling, and reaming applications. Manufactured from high quality steel and engineered to Sandvik Coromant's exacting standards, this holder delivers exceptional rigidity, balance, and concentricity for improved machining