Harvey Tool 34293-C3 Ball End Mill 0.093 in 3 Flute Altin

Product Description

The HARVEY TOOL 34293-C3 is a solid carbide ball end mill designed for precision milling in steel, stainless steel, and cast iron. It features a 0.093 inch cutting diameter, a 0.139 inch length of cut, and three flutes in a right-hand spiral configuration with a 30-degree helix angle. The AlTiN PVD coating improves heat resistance and tool life in ferrous materials. At 2.5 inches overall length with an extended reach design and a 0.75 inch reach length, this stub-flute mill handles deep-cavity and hard-to-reach features where standard-length tools cannot fit. It is centercutting and suited for both roughing and finishing passes.

This end mill is built for machinists working in job shops, tool rooms, and production environments where small-diameter, long-reach tooling is required. The 0.125 inch straight cylindrical shank fits standard collets and end mill holders. The stub flute geometry paired with extended reach makes it particularly effective in mold and die work, narrow slots, and deep pocket profiling where rigidity and reach must be balanced carefully.

Key Features

• 0.093 inch ball nose diameter with a 0.0465 inch nose radius for accurate contour milling
• AlTiN PVD coating for elevated heat resistance and extended tool life in steel and stainless steel
• 3-flute, right-hand spiral design with 30-degree helix for efficient chip evacuation
• Extended reach with 0.75 inch reach length and 0.611 inch neck length for deep-cavity access
• Centercutting geometry allows plunge entry as well as profiling and finishing passes
• Solid carbide construction provides rigidity and wear resistance at miniature diameters

Compatibility

Designed for use in CNC machining centers and manual mills equipped with standard 0.125 inch collets or end mill holders. Primary workpiece materials include steel, stainless steel, and cast iron. Part of the HARVEY TOOL Miniature End Mills - Ball - Long Reach, Stub Flute series.

Installation Notes

Installation should be performed by a qualified machinist following shop safety procedures. Ensure the spindle is fully powered down and the tool holder is clean and free of debris before seating the shank. Confirm collet or holder runout is within acceptable tolerance before running at speed, as miniature carbide tools are sensitive to runout-induced breakage. Cutting parameters should be selected based on workpiece material, machine rigidity, and depth of cut.