Product details:

Machining > Machine Tool Accessories > Drill Chucks | Industrial Keyless Drill Chuck | Industrial Keyless Drill Chuck | Fits tools of up to 20mm in diameter. | Drill chucks for industrial use (medium duty). | Automatic fitting for efficient, fast change of tools. | Machine fitting via DIN-238 or Jacobs tapers and UNF thread fittings. | Industrial keyless drill chuck for portable drilling machines or stationary machines. | Available with screw fittings for professional portable drilling machines and taper fittings for stationery drilling machines. | Self-tightening mechanism automatically increases the grip in proportion to the increase in torque during the drilling and avoids the tool slipping in a clockwise rotation.