03a) 0.7 - 6.4mm Jacobs Super Ball Bearing Drill Chuck J2

0.7 - 6.4mm Jacobs Super Ball Bearing Drill Chuck J2

Jacobs Ball Bearing Super Chucks designed for extra heavy duty drilling applications on; industrial drilling machines, jig borers, milling machines, lathes, radials and CNC/NC machining centres. Ball Bearing construction maximises gripping force and drilling accuracy.

Features :

Jaws centre-ground for absolute straightness and alignment.
Through-hardened sleeve teeth, hardened nose and keyholes ensure outstanding wear resistance.
One-piece sleeve eliminates crack between driving teeth often found in other designs.
Each chuck is 100% inspected for performance and precision. 

Capacity : 0.7 - 6.4mm
Closed Length : 61mm
Open Length : 50mm
Sleeve Diameter : 40mm
Mount : J2
Model : 8-1/2N
Key : K30

Part Number 30209