Omega Products Standard Reduction Sleeve - Grub Screw Boring Bar - Outside Diameter 25mm - Inside Diameter 6mm End Mill Holders while the robust HSS construction

while the robust HSS construction resists wear for longer tool life in everyday shop use

Material: HSS‑E (high‑speed steel with cobalt) for enhanced toughness and wear resistance in metalworking environments

Carbide with W Coating for Wear Resistance: Combines a hard carbide core with a protective W coating to extend tool life

accurate countersinks in a variety of projects

Omega Products Standard Reduction Sleeve - Grub Screw Boring Bar - Outside Diameter 25mm - Inside Diameter 6mm End Mill Holders while the robust HSS constructionThe Omega Products Standard Reduction Sleeve for Grub Screw Boring Bars provides a precise, reliable interface between your boring bar and the cutting tool. With an outside diameter of 25mm and an inside diameter of 6mm, this sleeve helps maintain true alignment and consistent performance across machining tasks. Built for engineers, machinists, and hobbyists alike, it supports accurate tool engagement to achieve repeatable results in everyday