Jacobs - 1/2-20, 5/64 to 1/2" Capacity, Threaded Mount Drill Chuck - Keyed, 45.47mm Sleeve Diam, 61.72mm Open Length
Item #: 08590556
Brand: Jacobs
Model #: JCM6287
Exact Tooling IR#: 04
Features and Benefits
Threaded mount drill chucks have an internal thread for securing to a power drill spindle or a threaded arbor.
Keyed chucks are engineered to either loosen or tighten the hold on a tool by using a key. Keyed chucks offer the advantage of applying additional torque on the bit when slippage is a concern during heavy-duty applications.
Plain bearings are designed with a 1-piece gearing and sleeve for reducing teeth breakage. They are used for medium duty operations with stationary drilling, turning, milling and woodworking machines.
Steel is strong and durable but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings.
| Product Specifications | |
|---|---|
| Maximum Drill Chuck Capacity (mm) | 12.70 |
| Maximum Drill Chuck Capacity (Inch) | 1/2 |
| Maximum Drill Chuck Capacity (Decimal Inch) | 0.5000 |
| Minimum Drill Chuck Capacity (mm) | 1.98 |
| Minimum Drill Chuck Capacity (Inch) | 5/64 |
| Minimum Drill Chuck Capacity (Decimal Inch) | 0.0781 |
| Mount Type | Threaded Mount |
| Mounting Size | 1/2-20 |
| Key Style | Keyed |
| Bearing Type | Plain Bearing |
| Material | Steel |
| Closed Length (mm) | 78.49 |
| Closed Length (Decimal Inch) | 3.0900 |
| Open Length (mm) | 61.72 |
| Open Length (Decimal Inch) | 2.4300 |
| Sleeve Diameter (mm) | 45.47 |
| Sleeve Diameter (Decimal Inch) | 1.7900 |
| Key Number | K32 |
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