Mars-Tech ER Nut ER40 UM Type Nut pack of 1 2fluteballnosecutter2.5mm This is a Shoulder and

This is a Shoulder and Face Milling Cutter used mainly in CNC Milling and Manual Milling Machi with ISO Carbide Insert

Cylindrical Shank / Straight Shank Collet chuck also called Baby collet chuck because of small size and same chuck which comes in BT40 or big tapers

ER16M Wrench works on this collet nut

Mazak SK40 Pull stud used in CNC machines for BT40 holders

BAP 400R 160-40-8T- Suitable Holder FMA40

Mars-Tech ER Nut ER40 UM Type Nut pack of 1 2fluteballnosecutter2.5mm This is a Shoulder andHolds all ER40 collets from 3 mm to 26 mmMade from alloy steel hardened to 54 56rcPrecision ground ID thread and taperHas an ID thread of M50*1. 5POutside diameter is 63 MMSUITABLE SPANNER IS ER40UM AND ER40 C TYPE key to tightening The internal cam removes the collet when unscrewedMARSTECH CODE IS ER40UM TYPE NUT