Jacob 18N Superchuck Ball Bearing 3/4" Chuck
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Product details
| Management number | 221709447 | Release Date | 2026/05/03 | List Price | US$246.28 | Model Number | 221709447 | ||
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The Jacobs Ball Bearing Super 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, permits the application of more gripping force on drill shanks to maximize drilling torque under the most demanding machining conditions. Ball Bearing Construction Maximizes Gripping Force and Drilling Accuracy. Jaws Center-Ground for Straightness and Alignment. One-Piece Sleeve Eliminates Crack Between Driving Teeth Often Found in Other Designs. Through-Hardened Sleeve Teeth Plus Hardened Nose and Keyholes Provide Outstanding Wear Resistance. Fluted Sleeve standard. Each Chuck is 100% Inspected for Performance and Precision. T.I.R. 0.003" Maximum at Half Capacity. 2JT Short Style. Model No. 11N Shown
- Drill Chuck Capacity: 1/8 - 3/4"
- Drill Chuck Taper/Thread Size: 4JT
- Drill Chuck Model No.: 18N
- Drill Chuck Key No.: K4
| Capacity | 0.75 Inches |
|---|---|
| Lock Type | Manual (Keyed) |
| Brand Name | Jacobs |
| Handle Type | keyed |
| Thread Size | 4-36 UNC |
| Manufacturer | Jacobs |
| Model Number | JAC18N |
| Item Diameter | 0.75 Inches |
| Material Type | Metal |
| Compatible Devices | Lathe |
| Included Components | Drill Chuck |
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