Collis Tool 81075 Series 50 Af Collet 3/8-25/64 in

Product Description

The COLLIS TOOL 81075 is a Series 50 AF collet designed for precision workholding in milling and machining operations. It accepts round stock and tooling with shank diameters from 3/8 inch up to 25/64 inch, giving machinists a tight, concentric grip across that range. The collet measures 0.72 inches in overall diameter and 1.16 inches in overall length. It is intended for use in Series 50 AF collet chucks and is typically installed by machinists and toolroom technicians in production or job-shop environments.

This collet fits Series 50 AF collet chuck systems and is suited for light to medium milling, drilling, reaming, and tapping where accurate tool runout is critical. The 3/8 to 25/64 inch capacity range makes it a practical choice when working with fractional or close-tolerance shank tooling in that size window. It is a single-piece, precision-ground component that drops directly into a compatible chuck body without modification.

Key Features

• Capacity range of 3/8 inch to 25/64 inch suits fractional shank tooling
• Series 50 AF collet series for direct chuck compatibility
• 0.72-inch overall diameter for proper seating in the chuck bore
• 1.16-inch overall length provides adequate tool engagement
• Precision-ground construction supports accurate tool runout

Compatibility

Designed as a direct-fit replacement or additional collet for Series 50 AF collet chuck systems accepting 3/8 to 25/64 inch capacity collets.

Installation Notes

Installation is performed by a qualified machinist or toolroom technician. Always power down and lock out the spindle drive before changing collets. Clean the chuck bore and collet taper thoroughly before seating to ensure proper runout. Do not overtighten the draw nut beyond the chuck manufacturer's specified torque range, as this can distort the collet body and reduce clamping accuracy.