Ball Bearing Chucks, K4, Jacobs 3JT Female

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Product Description

1-piece fluted sleeve construction. Ball trust bearing reduces friction in chuck closing mechansim. Through-hardened sleeve teeth, nose, and keyholes for wear resistance. Maximizes gripping force and drilling accuracy. Treated to ensure thread life and high gripping surface hardness. Jaws center-ground for absolute straightness and alignment. For heavy-duty, close tolerance production drilling. For production drilling equipment, jig borers, milling machines, lathes, and radials.

Specifications

Bit/Blade Mounting Size [Max] 5/8 in
Bit/Blade Mounting Size [Min] 1/8 in
Chuck Size 5/8 in
Finish Fluted Sleeve
Housing Diam 2.6 in
Key Size K4
Mechanism Ball Bearing
Mounting Jacobs 3JT Female
Overall Length [Max] 4.31 in
Overall Length [Min] 3.26 in
Type Keyed
Wt. 47 oz

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