Our BT40 Shrink Fit Chucks with Front Face Coolant deliver reliable, high-strength clamping for BT40 spindle systems in high-speed milling. Built for machinists, engineers, and operators who demand repeatable accuracy, these chucks combine strong holding power with efficient cooling to maintain performance during long runs.

• BT40 Shrink-Fit with Front Face Coolant: Combines strong clamping with integrated front coolant channels to remove heat efficiently during high-speed cuts, helping maintain accuracy and tool life.
• Balanced at G2.5 @ 25,000 RPM with 4.5° seating: Precisely balanced for smooth operation at high speeds and a 4.5-degree angle that supports accurate tool seating and stable cutting.
• BT MAS403 (JIS 6339) Compliance, Form AD/B: Meets industry standards for reliable fit and cross-compatibility with BT spindles, supporting consistent performance and quick tool changes.

This combination of secure retention, efficient cooling, and standard-compliant design helps you achieve tighter tolerances, cleaner finishes, and reliable throughput on demanding milling operations. With these chucks, you can trust repeatable results across long production runs and feel confident in the durability and compatibility of your tooling investment.