Bridgeport 12060078 Knurled Lock Nut Milling Machine

Product Description

The BRIDGEPORT 12060078 is a knurled lock nut designed as a replacement hardware component for Bridgeport milling machines. Knurled lock nuts provide a secure, tool-free locking grip on threaded spindle or axis assemblies, maintaining position and preventing loosening under the vibration loads typical of milling operations. This part is sold individually and is intended for use by machinists, machine tool technicians, and maintenance personnel performing component replacement or machine restoration on Bridgeport milling equipment.

This knurled lock nut is specified for use with Bridgeport I Series milling machines, which are among the most widely serviced vertical knee mills in the trade. It fits into the category of basic machine accessory hardware, making it a common replacement item during routine maintenance, spindle service, or axis assembly work on standard Bridgeport-style equipment.

Key Features

• Knurled outer surface allows hand-tightening and adjustment without additional tooling
• Designed as a direct OEM-style replacement part for Bridgeport milling machines
• Compatible with I Series milling machine assemblies
• Sold as a single unit with no minimum order quantity beyond one piece

Compatibility

Specified for use with Bridgeport I Series milling machines. Listed under basic machine compatibility for standard Bridgeport-style vertical knee mill configurations.

Installation Notes

Installation should be performed by a qualified machinist or machine tool technician familiar with Bridgeport milling machine assemblies. Power down and lock out the machine at the main disconnect before servicing any mechanical components. Hand-tighten the knurled lock nut to the specified assembly position, then verify that the locked assembly does not exhibit play or movement before returning the machine to service. Consult the Bridgeport service manual for the applicable assembly sequence and seating guidance.