![Heavy duty Keyless drill chucks](http://www.shapiroltd.com/cdn/shop/products/drill-chuck-keyless_{width}x.jpg?v=1553795800)
Choice of 3 sizes.
Application for lathes,milling machines,CNC machines and drilling machines
Features
1. High precision, and high gripping force, high reliability and stability.
2. Flimsy parts are shaped by quenching.
3. Self-tight feature automatically increase gripping force proportional to increased torque to prevent tool shank slippage.