Jacobs - JT2, 0 to 1/4" Capacity, Tapered Mount Drill Chuck - Keyed, 1-9/16" Sleeve Diam, 1-7/8" Open Length
Item #: 08590812
Brand: Jacobs
Model #: 30209
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.
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) | 6.35 |
| Maximum Drill Chuck Capacity (Inch) | 1/4 |
| Minimum Drill Chuck Capacity (mm) | 0.00 |
| Minimum Drill Chuck Capacity (Inch) | 0 |
| Minimum Drill Chuck Capacity (Decimal Inch) | 0.0400 |
| Mount Type | Tapered Mount |
| Mounting Size | JT2 |
| Key Style | Keyed |
| Bearing Type | Ball Bearing |
| Material | Steel |
| Closed Length (mm) | 60.33 |
| Closed Length (Inch) | 2-3/8 |
| Open Length (mm) | 47.63 |
| Open Length (Inch) | 1-7/8 |
| Sleeve Diameter (mm) | 39.69 |
| Sleeve Diameter (Inch) | 1-9/16 |
| Key Number | K30 |
| TIR (Decimal Inch) | 0.0030 |
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