The Omega BT40 End Mill Holder is a precision tool holder designed for BT40 spindles, built to securely hold end mills during high‑speed milling. It’s ideal for engineers, machinists, buyers, tradespeople, hobbyists, and shops that require dependable tool retention and consistent performance in demanding milling tasks.

With the S/L16 designation, a 16 mm bore, a 63 mm gauge length, and Form AD/B, this holder delivers rigid alignment and stable clamping across a wide range of tools and materials.

• Up to 25,000 RPM maximum speed: supports high‑speed milling with consistent tool positioning and reliable performance under load.
• G2.5 precision for repeatable accuracy: tight tolerances ensure accurate tool positioning across cycles, improving consistency and finish quality.
• Rigid 16 mm bore, 63 mm gauge length with Form AD/B compatibility: provides stable seating and vibration resistance, delivering dependable performance with standard BT40 tooling.

This BT40 End Mill Holder helps you maintain secure tool seating, achieve precise alignment, and produce consistent results across a variety of materials and milling tasks. Its durable construction and thoughtful geometry reduce chatter and promote longer tool life, making it a reliable core component for high‑quality machining workflows.