Osg 5936300 Tapered End Mill 2 Deg Cobalt 3 Flute

Product Description

The OSG 5936300 is a cobalt tapered end mill designed for precision milling operations requiring a controlled taper profile. Built from M42 cobalt high-speed steel, it delivers strong heat and wear resistance in demanding cutting applications. The tool features a 2-degree taper angle per side, a 0.25 inch small end diameter, and a 1.25 inch length of cut. With 3 right-hand spiral flutes and a 25-degree helix angle, it produces clean chip evacuation and smooth finishes. The square end geometry and centercutting capability make it suitable for plunge entries and contour work. Machinists and tooling technicians install this tool in CNC machining centers and manual mills.

This tapered end mill is intended for use in milling tapered slots, angled walls, and draft features in ferrous and non-ferrous workpieces. The uncoated cobalt construction suits applications where regrinding is common or where coated tools are not required. Typical uses include mold and die work, fixture machining, and precision part manufacturing in job shop and production environments. The 0.375 inch shank diameter fits standard ER and straight-bore tool holders common in vertical and horizontal machining centers.

Key Features

• 2-degree taper angle per side for precise draft and angled wall milling
• M42 cobalt construction for elevated heat resistance versus standard HSS
• 3 right-hand spiral flutes with 25-degree helix for efficient chip evacuation
• Centercutting geometry allows direct plunge entry into the workpiece
• Square end profile for flat-bottom slots and contour finishing
• Uncoated finish — suitable for regrinding and use with cutting fluids

Compatibility

Designed for use in standard 0.375 inch straight-bore or ER-style tool holders on CNC and manual milling machines. Part of the OSG Series 593 tapered end mill line.

Installation Notes

Installation is performed by qualified machinists or tooling technicians. Ensure the spindle is fully stopped and the machine is in a safe, locked-out state before changing tooling. Seat the shank fully into the tool holder and torque the collet nut or set screw to the tool holder manufacturer specification. Confirm runout with a dial indicator before beginning the cut, as excessive runout accelerates wear and degrades surface finish.