Osg VG436-1251 Corner Chamfer End Mill 1/8 in 4 Flute

Product Description

The OSG VG436-1251 is a solid carbide corner chamfer end mill designed for high-performance material removal in demanding machining environments. Built with a 1/8 inch cutting diameter, 4-flute variable geometry, and a 45-degree chamfer angle at 0.01 inches chamfer width, this tool handles both roughing and finishing operations in a single setup. The TiAlN PVD coating provides heat resistance and extended tool life when cutting at elevated speeds. Centercutting capability allows direct plunge entry without a pre-drilled pilot hole. The 35-degree medium helix angle balances chip evacuation with cutting stability across a range of workpiece materials.

This end mill is suited for shouldering and slotting operations on steel, stainless steel, cast iron, superalloys, titanium, and hard materials. Its stub-length configuration and straight cylindrical shank make it a practical choice for CNC machining centers and manual mills where rigidity and minimal overhang are priorities. The variable flute index reduces harmonic chatter during long-run cuts, making it appropriate for production machining as well as prototype work on difficult-to-machine alloys.

Key Features

• 45-degree chamfer angle with 0.01 inch chamfer width for consistent edge preparation
• TiAlN PVD coating for heat resistance and extended tool life in ferrous and hard materials
• Variable flute index reduces chatter during roughing and finishing passes
• Centercutting design enables direct plunge entry
• Right-hand cut and right-hand flute direction for standard CNC spindle compatibility
• Solid carbide construction delivers rigidity and dimensional accuracy in stub-length format

Compatibility

Designed for machining steel, stainless steel, cast iron, superalloys, titanium, and hard materials. Suitable for shouldering and slotting applications. Part of the OSG VG436 series.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the spindle fully stopped and machine power locked out per shop safety procedures. Use a properly sized collet or end mill holder matching the 1/8 inch shank diameter to ensure runout is within tolerance. Verify tool stick-out is minimized to maintain rigidity given the stub-length design. Consult applicable feeds-and-speeds data for the specific workpiece material before commencing cuts.