The Jacobs plain bearing chuck is widely used for medium or heavy-duty portable, bench or floor mounted Power Tools.
This industrial quality chuck with fully hardened and ground working components offers exceptionally high accuracy, gripping power and durability.
Jaws centre ground for absolute straightness and alignment.
Through hardened sleeve teeth, hardened nose and keyholes ensure outstanding wear resistance.
Model No. 1B.
Range mm. 0.711 - 6.5mm.
Mount. 3/8 x 24.
Key. K1.