Value Collection 230-4127 5C Steel Collet 27/64 in

Product Description

The VALUE COLLECTION 230-4127 is a 5C round steel collet sized at 27/64 inches, designed for use in 5C collet chucks, collet closers, and indexing fixtures found in machine shop and production turning environments. The collet holds round workpieces with a total indicated runout (TIR) of 0.0005 inches, supporting accurate, repeatable workholding for turning, grinding, and milling operations. It features a 1.041 in-24 internal thread and a 1.242 in-20 external thread, conforming to standard 5C specifications. Machinists, tool and die makers, and CNC setup technicians are the typical installers of this part.

This collet is intended for use in any machine tool or fixture that accepts the standard 5C collet format. It is suited for production turning on manual lathes and CNC turning centers, as well as rotary indexers and spin fixtures. The 27/64 inch bore size makes it appropriate for holding bar stock or turned workpieces at that diameter. No specific compatible machine models were named in the product data, but the 5C interface is a widely adopted industry standard across many machine tool manufacturers.

Key Features

• 27/64 inch bore diameter for round workpiece holding
• 0.0005 inch TIR for precise, repeatable workholding
• Standard 5C collet format with 1.041 in-24 internal thread and 1.242 in-20 external thread
• Steel construction for durability in production machining environments
• Round collet type suitable for cylindrical bar stock and turned parts

Compatibility

Designed as an OEM-style replacement or standard-service collet for machine tools and fixtures that accept the 5C collet format.

Installation Notes

5C collets are installed and removed by machinists using the collet closer or draw tube mechanism of the host machine tool. Before inserting or removing a collet, the machine spindle must be fully stopped and locked out per shop safety procedures. Inspect the collet bore and the collet seat in the chuck or closer for chips or burrs before seating the collet, as debris will affect runout. Do not exceed the rated bore size of the collet when loading workpieces.