Jacobs Superchuck Ball Bearing 1/4 Chuck #30209 – 8-1/2N

Capacity

0 – 1/4″

Mount

2 JT Short

Uses Key No.

K30

Jacobs Superchuck Ball Bearing 1/4″ Chuck #30209
8-1/2N

Jacob’s Super Chuck Ball Bearing Drill Chuck is specifically engineered for heavy-duty, close tolerance production drilling. It is adaptable to a wide range of production drilling equipment, jig borers, milling machines, lathes and radials.Utilizing a ball thrust bearing to reduce friction in the chuck closing mechanism, it permits the application of more gripping force on drill shanks to maximize drilling torque under the most demanding machining conditions.

Features:

• Ball Bearing Construction Maximizes Gripping Force and Drilling Accuracy.
• Jaws Center-Ground for Straightness and Alignment.
• One-Piece Sleeve Eliminates Crack Between Driving Teeth Often Found in Other Designs.
• Through-Hardened Sleeve Teeth Plus Hardened Nose and Keyholes Provide Outstanding Wear Resistance.
• Fluted Sleeve Standard.
• Each Chuck 100% Inspected for Performance and Precision.
• T.I.R. 0.003″ Maximum at Half Capacity.

Specifications:

Jacobs Catalog No.
30209

UPC
095456302099

Set
No

Maximum Capacity
0.250 in

Minimum Capacity
0.040 in

Mount
2SJT

Sleeve Outer Diameter
1.56 in

Model Number
8-1/2N

Packaging
Boxed

See all Jacobs High Precision Drill Chucks: Ball Bearing Super Chucks