Promax 135-02430 Chamfer Mill 3/8 in 4 Flute Solid Carbide

Product Description

The PROMAX 135-02430 is a solid carbide chamfer mill designed for chamfering, countersinking, and spotting operations on CNC machining centers and manual mills. It features a 3/8 inch cutter head diameter, a 90-degree included angle, and a bright/uncoated finish that suits general-purpose cutting across a range of workpiece materials. With four flutes and right-hand cutting direction, it delivers clean edge breaks and consistent chamfer geometry. The 3/8 inch shank diameter fits standard ER and straight-bore tool holders common in most machining setups. This tool is used by machinists and tool-and-die professionals in both job shop and production environments.

The 135-02430 is suited for chamfering and deburring operations on ferrous and non-ferrous materials where a 90-degree included angle is required. Its 2-1/2 inch overall length provides sufficient reach for standard workpiece access without excess overhang. The double-end designation and four-flute geometry make it a practical choice for spotting pilot holes and countersinking fastener seats in production runs or prototype work. It fits into standard CNC machining centers and manual knee mills using 3/8 inch tooling setups.

Key Features

• Solid carbide construction for rigidity and wear resistance in demanding cutting applications
• 90-degree included angle supports chamfering, countersinking, and spotting in a single tool
• Four flutes with right-hand cutting direction for smooth chip evacuation and consistent finish
• Bright/uncoated finish compatible with a wide range of workpiece materials
• 3/8 inch shank diameter fits standard ER collets and straight-bore holders
• 2-1/2 inch overall length provides adequate reach with minimal overhang

Compatibility

Designed as an OEM-style replacement or direct-fit chamfer mill for machining setups requiring a 3/8 inch shank, 90-degree double-end carbide chamfer mill in the PROMAX Series 135 product line.

Installation Notes

Installation is performed by machinists using standard tool holders and collet systems; confirm shank diameter matches the holder bore before seating the tool. Power down and lock out the spindle before changing tooling per standard shop safety procedures. Verify runout with a dial indicator after tool seating to ensure concentricity. Follow the machine manufacturer feed and speed recommendations for solid carbide end mills based on workpiece material.