US
CN
PB Heavy Duty Keyed Chuck 7 Series 1/4in (6.5mm) Chuck
Model Name:
7-1A
7BA 3/8
7BA 1/2
Jacobs Traditional Plain Bearing Design for Heavy Duty Industrial Drilling and Lathe Work.
1/4in (6.5mm) Capacity, JACOBS K7 Key.
Features
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 or Taper
T.I.R. 0.004" Maximum at half capacity.
Specification
| Model | PN(C&K) | PN(Chuck) | Mount | L (in) | Dia (in) | Package |
|---|---|---|---|---|---|---|
| 7-1A | N/A | N/A | 1JT | 1.66 | 1.325 | - |
| 7BA 3/8 | JCM6255 | - | 3/8-24 UNF | 1.74 | 1.325 | Boxed |
| 7BA 1/2 | N/A | N/A | 1/2-20 UNF | 1.74 | 1.325 | - |
Note: Products pictures reference only, please prevail in kind.
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