Value Collection 231-0006 R8 Collet Set 6 Piece

Product Description

The VALUE COLLECTION 231-0006 is a six-piece R8 collet set covering a clamping range of 1/8 inch through 3/4 inch in 1/8-inch increments. R8 collets are the standard toolholding format for Bridgeport-style knee mills and compatible vertical milling machines. This set gives a machinist or toolroom technician six of the most common shank sizes in one package, reducing the need to source individual collets for routine milling, drilling, and end-mill work. The set weighs 4 pounds and ships as a single package unit.

This collet set is intended for use in milling machines equipped with an R8 spindle taper, the most widely used toolholding system in manual vertical mills found in machine shops, maintenance departments, and vocational training environments. The six included sizes — 1/8, 1/4, 3/8, 1/2, 5/8, and 3/4 inch — cover the full range of common end mill and drill shank diameters encountered in general machining work. The set is appropriate for both production and maintenance machining applications.

Key Features

• R8 collet system — compatible with R8 spindle-taper milling machines
• Six-piece set covering 1/8, 1/4, 3/8, 1/2, 5/8, and 3/4 inch shank sizes
• Capacity range: 0.125 inch to 0.750 inch
• 1/8-inch size increments provide coverage across common tooling diameters
• Complete set reduces sourcing time versus purchasing individual collets
• Package weight: 4 pounds

Compatibility

Designed for use with milling machines fitted with an R8 spindle taper.

Installation Notes

R8 collets are installed and removed by a machinist or toolroom technician with the milling machine spindle fully de-energized and the drawbar secured. Always confirm the collet bore matches the tool shank diameter before tightening the drawbar. Do not overtighten the drawbar, as this can damage the collet or spindle threads. Inspect collet bores for wear or runout before use in precision work.