Jacobs 30616 Drill Chuck Collar Chuck No 80

Product Description

The JACOBS 30616 is a replacement drill chuck collar designed for use with keyless precision drill chucks. The collar is a critical retention component that secures the chuck body during operation, maintaining concentricity and preventing loosening under torque. This part is compatible with JACOBS Chuck No. 80 and is intended for installation by machinists, toolroom technicians, and industrial maintenance professionals working with drill press or lathe tooling setups where keyless chucks are in service.

This collar is used in industrial and shop environments where keyless precision drill chucks require collar replacement due to wear, damage, or tooling reconfiguration. It is suited for applications involving JACOBS Chuck No. 80 keyless precision drill chucks. The part ships as a single unit and is typically stocked as a direct service replacement to restore a chuck assembly to full operational spec without replacing the entire chuck.

Key Features

• Direct replacement collar for JACOBS Chuck No. 80 keyless precision drill chucks
• Designed to maintain chuck body retention and concentricity during drilling operations
• Single-unit packaging suitable for service and repair applications
• OEM-style fitment for accurate reassembly to original specifications

Compatibility

Compatible with JACOBS Chuck No. 80 keyless precision drill chucks. Model number reference: C-80.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician familiar with drill chuck disassembly and reassembly procedures. Ensure the spindle and chuck assembly are fully de-energized and at rest before beginning any service work. Use appropriate press or hand tools as required for collar seating. Refer to the JACOBS service documentation for the Chuck No. 80 assembly for torque and fit specifications applicable to this collar.