Value Collection 1230-4217 5C Round Collet 10mm Steel

Product Description

The VALUE COLLECTION 1230-4217 is a 5C round collet machined from steel for use in 5C-compatible spindles and collet closers on lathes, grinders, and collet fixtures. It accepts workpieces up to 10.00 mm and is threaded internally at 1.041 inches-24 and externally at 1.242 inches-20, conforming to the standard 5C interface. The collet holds a total indicator runout (TIR) of 0.015 mm, providing the concentricity accuracy that precision turning and grinding operations require. Machinists and tool-room technicians are the primary installers of this component.

This collet is suited for production and job-shop environments where 5C toolholding is the standard workholding method. Typical applications include OD turning, facing, and grinding of round bar stock on manual or CNC lathes equipped with a 5C spindle nose or draw-tube closer. The steel construction handles the clamping forces and repetitive cycling common in high-volume machining cells without distortion.

Key Features

• Round collet profile for 5C-standard spindles and collet closers
• 10.00 mm collet capacity for round workpieces
• Steel construction for durability under repeated clamping loads
• 0.015 mm TIR for consistent concentricity in precision operations
• 1.041 inches-24 internal thread and 1.242 inches-20 external thread meet 5C interface standards

Compatibility

Designed as an OEM-style replacement or direct-use collet for 5C-style spindles and collet-closer systems on lathes, grinders, and indexing fixtures that accept the standard 5C thread interface.

Installation Notes

Installation is performed by machinists or tool-room technicians. Before seating the collet, power down and lock out the machine spindle in accordance with site lockout/tagout procedures. Threads and the collet bore should be clean and free of chips or burrs before installation. Do not use a collet to hold workpieces larger than its rated capacity, as overloading will distort the collet and degrade TIR.