Jacobs - JT4, 1/8 to 3/4" Capacity, Tapered Mount Drill Chuck - Keyed
Item #: 00640813
Brand: Jacobs
Model #: 0859089/0721253
Exact Tooling IR#: 04
Features and Benefits
Tapered mount drill chucks have an internal Jacobs Taper (JT) that is press-fit onto a corresponding JT arbor (shank) or spindle.
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.
Ball bearings are designed to reduce friction in the tightening mechanism and provide a better grip on the drill. They are used for heavy-duty machining and require a key for tightening or loosening.
| Product Specifications | |
|---|---|
| Maximum Drill Chuck Capacity (Inch) | 3/4 |
| Minimum Drill Chuck Capacity (Inch) | 1/8 |
| Mount Type | Tapered Mount |
| Mounting Size | JT4 |
| Key Style | Keyed |
| Bearing Type | Ball Bearing |
| Key Number | K4 |
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