MARS-TECH ER NUT ER20 A/M/UM TYPE pack of 1 morse taper holder These Torx screw are hardened

These Torx screw are hardened up to 50-55 hrc for wear resistance

easy on the tool changers for less spindle and changer maintenance

BT30 Morse Taper Adaptor MT Holder MT1 MT2 MT3

150l Er Collet Chuck

This is Shoulder and Face Milling Cutter high feed used mainly in CNC Milling and Manual Milling Machine with ISO Carbide Insert

MARS-TECH ER NUT ER20 A/M/UM TYPE pack of 1 morse taper holder These Torx screw are hardenedBoth types hold all ER20 collets from 1 mm to 14 mmMade from alloy steel hardened to 54 56rcPrecision ground ID thread and taperER20A has an ID thread of M25*1. 5PER20A Outside diameter is 34 MMNormal key to tightening The internal cam removes the collet when unscrewedMARSTECH CODE IS ER20A HEX TYPE NUT ER20M has an ID thread of 24mm X 1. 0 pitch ER20M Outside diameter is 1. 102 inches (28mm) Outside has castle notches for tightening ER20M Wrench