• ISO30 45° Pull Stud Retention knobs
  • Works on all ISO30 machines
  • All critical surfaces precision ground
  • Made from alloy steel hardened to 54 - 56rc
  • Thru twice heat treatment of each pull stud
  • Angle degree have 45,60 and 90 available
  • Concentricity is less than .0005 at collet face
  • Coolant available
  • Rear thread for pull stud is M12X1.75
  • Oxide black