Value Collection SN-42L3DC Inverted Cone Carbide Bur

Product Description

The VALUE COLLECTION SN-42L3DC is a double-cut carbide burr with an inverted cone head geometry, designed for aggressive material removal in metalworking and fabrication applications. The head is manufactured from solid carbide with a ZrN (zirconium nitride) coating, which extends tool life when cutting hard and abrasive materials. At 3 inches overall length with a 1/8 inch shank diameter, this burr fits standard die grinders and rotary tools. The double-cut tooth pattern produces faster stock removal than single-cut, while still leaving a reasonably smooth surface finish. Maximum rated speed is 50,000 RPM.

This burr is suited for use on steel, stainless steel, cast iron, superalloys, and titanium. The inverted cone geometry makes it well-suited for undercutting, deburring angled edges, and working in recessed areas where a straight cylindrical burr cannot reach. It is typically used by machinists, tool and die workers, welders, and maintenance technicians performing weld cleanup, port work, or precision material removal in tight geometries.

Key Features

• Inverted cone head shape for undercutting and angled deburring work
• Double-cut tooth style for fast stock removal on hard metals
• Solid carbide head with ZrN coating for extended tool life on hard materials
• Rated to 50,000 RPM for use with standard high-speed die grinders
• Included angle of 10 degrees provides precise, controlled cutting geometry
• 1/8 inch shank fits the most common collet size on rotary and die grinder tools

Compatibility

Designed as a direct-fit burr for die grinders, rotary tools, and flex-shaft machines with a 1/8 inch collet. Suitable for steel, stainless steel, cast iron, superalloys, and titanium workpieces.

Installation Notes

Installation and operation of this burr is performed by machinists, fabricators, or maintenance technicians using a standard die grinder or rotary tool. Ensure the tool is fully powered off and the collet is completely loosened before inserting or removing the burr. Inspect the shank for cracks or wear before each use, and do not exceed the 50,000 RPM maximum speed rating. Eye protection and appropriate PPE are required when operating rotary cutting tools.