The Omega Products Standard Reduction Sleeve for Slotted Boring Bars is a precision accessory that creates a secure, stable interface between your slotted boring bar and tooling. With an outer diameter of 40 mm and an inner bore of 32 mm, this sleeve is designed to fit a range of common slotted boring bars, helping you achieve repeatable seating, reduced runout, and consistent hole quality in every pass.

Built for reliability in busy workshops, the sleeve is machined from high-quality materials to maintain tight tolerances and withstand demanding milling tasks. Its slotted design supports straightforward mounting on compatible bars, enabling quick changes and dependable alignment—even under tougher cutting conditions.

• Precise seating and alignment: The 40 mm outer diameter and 32 mm inner bore ensure a snug, repeatable fit that minimizes runout and delivers consistent hole size and surface finish.
• Durable, reliable construction: Engineered from high-quality materials with robust machining to resist wear and corrosion, supporting long service life in demanding environments.
• Versatile compatibility with slotted bars: The slotted design fits a range of slotted boring bars, enabling fast tool changes and reliable alignment across different setups.

Using this sleeve helps you maintain precision across jobs, reduces setup time, and extends the life of your tooling. It supports stable cutting, improves hole quality, and lowers downtime, delivering dependable performance for a wide range of milling applications.