Jacobs - 1/2-20, 0 to 3/8" Capacity, Threaded Mount Drill Chuck - Keyed
Item #: 08590671
Brand: Jacobs
Model #: JCM8859
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 (Inch) | 3/8 |
| Maximum Drill Chuck Capacity (Decimal Inch) | 0.3750 |
| Minimum Drill Chuck Capacity (Inch) | 0 |
| Minimum Drill Chuck Capacity (Decimal Inch) | 0.0394 |
| Mount Type | Threaded Mount |
| Mounting Size | 1/2-20 |
| Key Style | Keyed |
| Bearing Type | Plain Bearing |
| Material | Steel |
| Key Number | K32 |
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