Jacobs Jacob's Super Chuck 8-1/2N Ball Bearing Drill Chuck, 2SJT Taper Mount
Engineered for heavy-duty, close-tolerance production drilling, this ball bearing chuck utilizes a thrust bearing to reduce friction and maximize gripping force. The through-hardened sleeve and center-ground jaws ensure outstanding wear resistance and superior drilling accuracy under demanding machining conditions.
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Engineered for heavy-duty, close-tolerance production drilling, this ball bearing chuck utilizes a thrust bearing to reduce friction and maximize gripping force. The through-hardened sleeve and center-ground jaws ensure outstanding wear resistance and superior drilling accuracy under demanding machining conditions.
- Ball bearing construction maximizes gripping force and drilling accuracy by reducing friction in the closing mechanism
- Jaws are center ground to ensure optimal straightness and alignment
- One-piece sleeve design eliminates cracks between driving teeth for increased durability
- Through-hardened sleeve teeth, hardened nose, and keyholes provide outstanding wear resistance
- Fluted sleeve comes as standard for enhanced performance
- Each chuck is 100% inspected for precision and performance
- Maximum T.I.R. of 0.003 in. at half capacity
- Capacity range from 0.04 in. to 0.25 in.
- Features a 2SJT taper mount and uses K30 chuck key (included)