MARS-TECH ER NUT ER20 A/M/UM TYPE pack of 1 morse taper holder BT30 Tool Holder accepts all

BT30 Tool Holder accepts all ER11 colletsThread inside the internal stop screwMade from alloy steel hardened to 54 – 56rcBalanced to G6

Hardened Star Torx Screw for Milling Cutters are offered

Stainless Steel

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

150l Er Collet Chuck

MARS-TECH ER NUT ER20 A/M/UM TYPE pack of 1 morse taper holder BT30 Tool Holder accepts allBoth 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