Medium Duty Industrial Keyless Chucks, Jacobs 2JT20 mm Diameter Tool

Drill chucks for industrial use (medium duty), available with threaded mounts for professional portable drilling machines and with taper fittings for stationary drilling machines | Automatic fitting for efficient, fast change of tools | Self-tightening mechanism automatically increases the grip in proportion to the increase in torque during drilling | Fits tools of up to 20mm in diameter | Machine fitting via DIN0238 of Jacobs tapers and UNF thread fittings