Sgs 34305 Corner Radius End Mill 3/8 in 3 Flute Carbide

Product Description

The SGS 34305 is a solid carbide corner radius end mill designed for precision milling operations in ferrous and non-ferrous materials. It features a 3/8-inch cutting diameter, a 1-inch length of cut (LOC), and a 0.01-inch corner radius that reduces stress concentration at workpiece edges and extends tool life. The 3-flute geometry provides a balance between chip evacuation and cutting surface contact. A TiB2 (titanium diboride) coating improves hardness and lubricity, making this tool well suited for high-speed finishing and semi-finishing passes. Machinists and toolroom technicians are the primary installers.

This end mill is built for use in vertical machining centers, CNC mills, and manual knee mills where a corner-radiused profile is required. It is centercutting, allowing direct plunge entry into the workpiece. The right-hand cut and right-hand spiral flute direction are standard for conventional and climb milling setups. The 38-degree helix angle promotes smooth chip flow and reduces chatter during aggressive cuts. It is part of the SGS S-Carb 43CB series, which targets high-performance finishing applications.

Key Features

• 0.01-inch corner radius reduces edge chipping and workpiece stress
• TiB2 coating provides increased surface hardness and wear resistance
• 3-flute design balances chip clearance with cutting efficiency
• 38-degree helix angle promotes smooth chip evacuation and minimizes chatter
• Centercutting geometry allows plunge milling without a pre-drilled entry hole
• Solid carbide construction provides rigidity and dimensional stability

Compatibility

Designed as an OEM-style replacement or direct-use solid carbide corner radius end mill for CNC and manual milling machine spindles accepting a 3/8-inch shank diameter toolholder.

Installation Notes

Installation is performed by a machinist or toolroom technician using a collet chuck or end mill holder rated for the 3/8-inch shank diameter. Ensure the spindle and toolholder are clean and free of chips before seating the tool. Confirm runout with a dial indicator before beginning a cut. Follow machine manufacturer guidelines and applicable shop safety procedures when setting speeds and feeds.