Harvey Tool 943410-C3 Back Chamfer Cutter 0.115 in 90 Deg

Product Description

The HARVEY TOOL 943410-C3 is a solid carbide back chamfer cutter designed for deburring and chamfering the reverse side of holes, slots, and bores without repositioning the workpiece. The tool features a 0.115-inch cutter head diameter with a 90-degree included angle and a 0.02-inch chamfer width. Four flutes provide clean material removal in a variety of ferrous and non-ferrous materials. An AlTiN coating increases surface hardness and thermal resistance, extending tool life in demanding cutting conditions. This tool is intended for use in CNC machining centers and manual mills by machinists and tooling professionals working in precision fabrication environments.

The 943410-C3 is suited for back chamfering operations in tight-clearance areas where a standard chamfer mill cannot reach. The 0.068-inch neck diameter allows access to confined bore entries and countersink reversal work in aerospace, medical, and general metalworking applications. The 1/8-inch shank diameter makes it compatible with standard collets and small-bore toolholders commonly found on CNC mills and machining centers. This tool is typically used in production or prototype shops requiring consistent back-chamfer geometry on drilled or bored through-holes.

Key Features

• 0.115-inch cutter head diameter with 90-degree included angle for precise back chamfer geometry
• 0.02-inch chamfer width for controlled material removal on hole back edges
• 4-flute design provides smooth cutting action and improved chip evacuation
• AlTiN coating enhances wear resistance and thermal stability during high-speed cutting
• 0.068-inch neck diameter enables access to restricted bore and slot entries
• Solid carbide construction delivers rigidity and dimensional stability in precision applications

Compatibility

Designed as an OEM-style back chamfer cutter for use with 1/8-inch collets and toolholders on CNC machining centers and manual mills requiring back chamfering capability.

Installation Notes

This tool is installed by machinists or tooling technicians into a compatible 1/8-inch collet or toolholder. Ensure the spindle is fully stopped and the machine is powered down before changing or setting tooling. Verify runout and tool projection per shop standards before cutting. Follow the tool manufacturer and machine builder guidelines for speeds and feeds appropriate to the workpiece material and coating type.