Bridgeport 12193540 Alignment Collet 1/4x32

Product Description

The BRIDGEPORT 12193540 is a 1/4x32 alignment collet designed for use in Bridgeport milling machine assemblies. This collet functions as a precision screw set accessory that aligns internal components within the lower housing of the milling head. It is a machined hardware part intended for licensed machine tool technicians and millwrights performing maintenance, rebuild, or repair work on Bridgeport I Series vertical milling machines. The part ships as a single unit and weighs 0.01 pounds, reflecting its compact, precision-machined form factor.

This alignment collet is used during service or reassembly of the 2J and J-Head lower housing on Bridgeport I Series milling machines. It is typically installed during scheduled maintenance intervals, head rebuilds, or when replacing worn internal drive components. The part is suited for machine shops, manufacturing facilities, and vocational environments where Bridgeport-style knee mills are in regular production use. Installation is performed by experienced machine tool technicians familiar with milling head disassembly procedures.

Key Features

• 1/4x32 thread specification for precise alignment fitment
• Functions as a screw set accessory within the milling head lower housing
• Designed for 2J and J-Head lower housing configurations
• Compact and lightweight at 0.01 pounds for easy handling during reassembly
• Single-unit packaging — no minimum order beyond one piece

Compatibility

Designed for use with Bridgeport I Series milling machines, specifically the 2J and J-Head lower housing assemblies.

Installation Notes

Installation is performed by qualified machine tool technicians or millwrights. Before servicing the milling head, disconnect and lock out all electrical power to the machine in accordance with applicable OSHA lockout/tagout procedures. Ensure the spindle is fully stopped and the head is properly supported before disassembling the lower housing. Do not force the collet into position; confirm thread engagement is clean and free of debris before seating.