Description:
- Jacob’s Super Chuck Ball Bearing Drill Chuck is specifically engineered for heavy-duty, close tolerance production drilling. It is adaptable to a wide range of production drilling equipment, jig borers, milling machines, lathes and radials. Utilizing a ball thrust bearing to reduce friction in the chuck closing mechanism, it permits the application of more gripping force on drill shanks to maximize drilling torque under the most demanding machining conditions
Features:
- Strong Bit Holding Power
- Jaws Center-Grind For Straightness And Alignment
- Through-hardened Sleeve Teeth, Plus Hardened Nose And Keyholes Provide Outstanding Wear Resistance
- Jacobs’ Original Fluted Sleeve Design
- Design For Heavy Duty Industrial Applications
- T.I.R. 0.003″ Maximum At Half Capacity
Specifications:
- Jacobs Catalog No. 30239
- Maximum Capacity 1.000 in
- Minimum Capacity 0.375 in
- Mount 5JT
- Sleeve Outer Diameter 3.65 in
- Model Number 20N
- Packaging Boxed
UPC:
- 095456302396
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