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The SGS 30311 is a square end mill designed for precise material removal in milling applications across a range of workpiece materials. Built from micrograin solid carbide, it features a 3/32-inch cutting diameter and a 9/32-inch length of cut, making it well-suited for small-diameter slot milling, profiling, and finishing passes. The 30-degree right-hand spiral helix promotes efficient chip evacuation and stable cutting action. Center-cutting geometry allows plunge entry as well as conventional lateral passes. This end mill is a single-end tool with a straight cylindrical shank and a bright, uncoated finish.
The SGS 30311 is used in CNC machining centers and manual milling operations where small-diameter, high-precision cuts are required. Its primary workpiece material designations cover cast iron, non-ferrous metals, stainless steel, steel, heat-resistant superalloys, and non-metallic materials. It is well matched to applications in aerospace component machining, precision mold work, and general metalworking shops where tight tolerances on small features are critical.
Designed for use with standard 1/8-inch straight shank toolholders in CNC machining centers and manual milling machines. Compatible workpiece material codes include H, K, M, N, P, and S, covering cast iron, non-ferrous metals, stainless steel, general steels, heat-resistant superalloys, and non-metallic materials.
Installation is performed by qualified machinists or CNC setup technicians. Ensure the spindle is fully stopped and the machine is powered down before inserting or removing the end mill from the toolholder. Use a properly sized collet or end mill holder to achieve full shank engagement and minimize runout. Verify toolholder clamping torque per the toolholder manufacturer specifications before beginning a cutting operation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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