Jacobs 8871 1/4" Heavy Duty Chuck 1/2-20 Mount 7BA

Jacobs 8871 1/4" Heavy Duty Chuck 1/2-20 Mount 7BA

price: Regular price $34.00 Sale price $34.00
part #: 8871
quantity:

product description

​Jacobs 8871 1/4" Heavy Duty Chuck 1/2-20 Mount 7BA

Jacobs Traditional Plain Bearing Design for Heavy Duty Industrial Drilling and Lathe Work.

1/4in (6.5mm) Capacity, JACOBS K7 Key.

  • Heavy Duty Design.

  • Jacobs fluted sleeve design.

  • Jaws Center-Grind for Straightness and Alignment.

  • Through-hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance.

  • Each chuck 100% inspected for performance and precision.

  • Chuck Capacity  : 0.04"-0.25" (1-6.5mm)

  • Key Type            : JACOBS K7

  • Mount Size: Thread 1/2-20

  • T.I.R. 0.004" Maximum at half capacity.

Aeronca x 2 3rd st eastr5e1