Kennametal 1026116 End Mill Holder CAT50 5/8 Inch

Product Description

The KENNAMETAL 1026116 is a CAT50 taper shank end mill holder designed for use in CNC machining centers that require secure tool clamping and high-speed performance. The holder features a 5/8 inch bore diameter and a 1-5/8 inch nose diameter, with a 5.75 inch projection that positions the cutting tool at the correct gauge length for deep-reach or standard milling operations. Through-coolant capability routes fluid directly to the cutting zone, supporting chip evacuation and tool life in demanding metal removal applications. The holder is balanced to 12,000 RPM, making it suitable for high-speed finishing and general-purpose milling. Machinists and toolroom technicians are the typical end users for this type of toolholder.

This end mill holder is intended for use in vertical and horizontal machining centers equipped with CAT50 spindle interfaces. It is well suited for production environments running steel, cast iron, aluminum, and similar workpiece materials where coolant-through tooling improves process reliability. The 9.75 inch overall length accommodates setups that require extended reach without sacrificing rigidity at the spindle interface. The drawbar thread size of 1-8 is standard for CAT50 retention knobs used in most machining center configurations.

Key Features

• CAT50 taper shank for secure, repeatable spindle interface engagement
• 5/8 inch bore diameter accommodates standard end mill shank sizing
• Through-coolant design routes fluid directly to the cutting edge via through-spindle coolant delivery
• Balanced to 12,000 RPM for high-speed milling applications
• 5.75 inch projection supports extended reach setups
• 1-8 drawbar thread size matches standard CAT50 retention knobs

Compatibility

Designed as an OEM-style toolholder for machining centers equipped with CAT50 spindle interfaces and through-spindle coolant systems.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Power down and lock out the machining center spindle before inserting or removing the toolholder. Verify the retention knob thread size matches the drawbar before torquing to the machine manufacturer specification. Inspect the taper shank and spindle bore for contamination or damage before each tool change to ensure full contact and accurate runout.