Precision 5/8″ keyless drill chuck.
The Jacobs keyless chuck is made from hardened tool steel to ensure accuracy and extended life.
The rated capacity is 1/8″ to 5/8″. Runout of this chuck is 0.003″ (0.08 mm) or less.
Mounts to number 33 Jacobs taper mount. No chuck key is required with this self-tightening design.
