Omega Products Standard Reduction Sleeve for Grub Screw Boring Bars is a precision adapter designed to ensure accurate seating and stable alignment in common boring bar setups. Sized with an outside diameter of 40 mm and an inside diameter of 10 mm, it helps you adapt a variety of grub screw boring bars to your tool holders with confidence.

Crafted from high-quality materials, this sleeve is built for durability and consistent performance across repeated tool changes in busy workshops. It fits a range of grub screw boring bars, making it a versatile addition to any workshop.

• Precise seating reduces runout: Engineered to closely match grub screw boring bar interfaces, this reduction sleeve minimizes runout and helps you achieve repeatable tool positioning for smooth, accurate cuts.
• Durable, long-life construction: Manufactured from robust materials designed to withstand repeated clamping and machining cycles, delivering longer tool life and fewer replacements.
• Broad compatibility for fast setup: Designed to fit a range of grub screw boring bars, enabling quick installation and flexible use across multiple tools and setups.

Using this sleeve provides a reliable interface that supports consistent results, speeds up changeovers, and helps you achieve higher quality finishes across projects—improving overall workflow and reliability in your boring operations.