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.
- Length approximately 1-3/4"
- Diameter approximately 1-1/4"
Aeronca x 2 3rd st eastr5e1