Accupro 95171869 3/4 Inch Carbide End Mill Zrn

Product Description

The ACCUPRO 95171869 is a solid carbide roughing and finishing end mill designed for aggressive material removal with a refined surface finish in a single tool. It features a 3/4 inch cutting diameter, a 37-degree helix angle, and a chipbreaker geometry that breaks chips into manageable segments to reduce heat and cutting force. The ZrN (zirconium nitride) coating adds surface hardness and lubricity, extending tool life in ferrous and non-ferrous applications. With a 1 inch length of cut and 4 inch overall length, this is a stub-length tool built for rigidity in tight-clearance machining operations. Micrograin carbide substrate supports higher feed rates and sharper cutting edges.

This end mill is suited for milling operations in machining centers and CNC mills where both roughing passes and finish passes are required without a tool change. The centercutting capability allows plunge entry. The straight shank with a 3/4 inch shank diameter fits standard ER and set-screw toolholders. Right-hand cut and right-hand flute direction are standard for conventional and climb milling. Typical applications include slotting, profiling, and peripheral milling in production and job-shop environments. Installation and use are performed by machinists and CNC operators.

Key Features

• Chipbreaker geometry reduces chip load and cutting pressure during roughing passes
• ZrN coating improves wear resistance and reduces built-up edge in non-ferrous and ferrous materials
• 37-degree helix angle promotes smooth chip evacuation and reduces chatter
• Centercutting design allows direct plunge entry without a pre-drilled hole
• Micrograin solid carbide substrate supports high-speed feeds and sharp, durable cutting edges
• Single-end, stub-length configuration maximizes rigidity and minimizes deflection

Compatibility

Designed as a direct-fit replacement for 3/4 inch straight-shank solid carbide roughing end mills in standard ER collet chucks, milling chucks, and set-screw toolholders used in CNC machining centers and manual mills.

Installation Notes

Installation is performed by qualified machinists or CNC operators. Ensure the spindle is fully stopped and the machine is in a safe, locked-out state before changing tooling. Verify that the toolholder bore and collet are clean and free of chips before seating the shank. Confirm runout with a dial indicator after clamping to avoid premature edge wear or dimensional error.