![Jacobs - JT3, 1/8 to 5/8" Capacity, Tapered Mount Drill Chuck - Keyed, 2-5/8" Sleeve Diam, 3-1/4" Open Length - Exact Industrial Supply](http://firsttoolandsupply.com/cdn/shop/products/0859087-24_1024x1024.jpg?v=1632950572)
Jacobs - JT3, 1/8 to 5/8" Capacity, Tapered Mount Drill Chuck - Keyed, 2-5/8" Sleeve Diam, 3-1/4" Open Length
Item #: 08590879
Brand: Jacobs
Model #: 30227
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) | 15.88 |
Maximum Drill Chuck Capacity (Inch) | 5/8 |
Minimum Drill Chuck Capacity (mm) | 3.18 |
Minimum Drill Chuck Capacity (Inch) | 1/8 |
Minimum Drill Chuck Capacity (Decimal Inch) | 0.1250 |
Mount Type | Tapered Mount |
Mounting Size | JT3 |
Key Style | Keyed |
Bearing Type | Ball Bearing |
Material | Steel |
Closed Length (mm) | 109.54 |
Closed Length (Inch) | 4-5/16 |
Open Length (mm) | 82.55 |
Open Length (Inch) | 3-1/4 |
Sleeve Diameter (mm) | 66.68 |
Sleeve Diameter (Inch) | 2-5/8 |
Key Number | K4 |
TIR (Decimal Inch) | 0.0030 |
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