Standard Precision Keyless Drill Chuck, 1/64"-1/2" Capacity, JT6 Jacobs Taper, 4,000 RPM - D0021

• HIGHEST ACCURACY: Precision Ground Standard Accuracy
• HIGHEST TOLERANCE: Runout < 0.005"-0.006"
• Tightening: Self Tightening
• Tolerance: Ground to very tight tolerances
• HIGH QUALITY STEEL: Made of High Quality Hardened STEEL..
• custom Satisfaction Guarantee
• Veteran Owned Business

• Precision Drilling for Milling Machines, Lathes & Drill Presses – Ideal for high-accuracy drilling, reaming, and light-duty machining operations where concentricity and minimal runout are critical for producing precise holes and superior surface finishes.
• Self-Tightening Design for Increased Holding Power – Automatically increases gripping force as spindle torque is applied, helping prevent drill bit slippage during heavy drilling operations while maintaining exceptional tool security without the need for a chuck key.
• Quick Tool Changes for Improved Productivity – Allows operators to rapidly change drills, reamers, countersinks, and other round-shank tools by hand, reducing setup time and increasing efficiency in production, maintenance, and prototype environments.
• Wide Capacity Range for Maximum Versatility – Available in multiple size ranges to accommodate everything from micro-drills to large diameter tooling, making these chucks suitable for precision machining, fabrication, maintenance shops, and general manufacturing applications.
• High-Precision Tool Holding for Demanding Applications – Designed for machinists who require superior accuracy, repeatability, and reduced runout when drilling, boring, spot drilling, and finishing operations where hole quality and tool performance are essential.

Dimensional Disclaimer: All dimensions are provided for reference purposes and are subject to change without notice. Please confirm critical dimensions before ordering to ensure proper fit and compatibility with your application.