Osg 84100123 Ball End Mill 0.0625 in 2 Flute Solid Carbide

Product Description

The OSG 84100123 is a 2-flute solid carbide ball end mill designed for high-precision finishing operations on hard materials and steels. The mill features a 0.0625 inch diameter with a 0.051 inch reach length and a 0.25 inch straight-cylindrical shank, giving it a compact, stub-length profile suited for tight-tolerance work. OSG applies a DUROREY PVD coating to improve wear resistance and tool life when cutting hardened workpieces. The right-hand helical flute geometry and low helix angle support controlled chip evacuation during both roughing and finishing passes. Machinists and tool-and-die professionals working in precision shops are the primary users of this tool.

This end mill is built for applications involving hard materials and steel, including hardened mold steels and similar high-hardness alloys. Its stub length and small diameter make it well suited for detail work, cavity profiling, and finishing passes where rigidity and minimal deflection are critical. The single-end configuration and 1.5 inch overall length allow it to seat in standard collet chucks and end mill holders commonly found in CNC machining centers and manual mills.

Key Features

• 0.0625 inch ball nose diameter with a 0.0313 inch nose radius for accurate contour finishing
• DUROREY PVD coating rated for hard material and steel cutting applications
• 2-flute right-hand helical geometry supports chip clearance in finishing cuts
• Solid carbide construction provides rigidity and wear resistance in high-hardness materials
• Stub length profile minimizes deflection in precision cavity and detail work
• Single-end design compatible with standard collet and end mill holder setups

Compatibility

Designed as an OEM-style replacement or direct-selection solid carbide ball end mill for CNC machining centers and manual milling machines using 0.25 inch collet or end mill holder systems.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer's tooling and runout specifications. Before inserting or removing any end mill, ensure the machine spindle is fully stopped and the controller is in a safe state. Verify collet size matches the 0.25 inch shank diameter and that the tool is seated to the correct gauge length before tightening. Do not exceed the manufacturer's recommended speeds and feeds for the workpiece material and coating type.