Sgs 40305 Square End Mill 1mm 2-flute Solid Carbide

Product Description

The SGS 40305 is a solid carbide square end mill designed for precision milling in a wide range of materials. With a 1 mm cutting diameter and a 0.158-inch length of cut, this tool is suited for fine detail work, slotting, and profiling in tight geometries. The micrograin carbide construction provides hardness and edge retention at small diameters. A 30-degree helix angle promotes smooth chip evacuation and reduces cutting forces. The 3 mm straight-cylindrical shank and 1.5-inch overall length make this tool compatible with standard collet systems used in CNC machining centers and manual mills.

This end mill is intended for use in metal cutting applications across a broad spectrum of workpiece materials. The primary material codes listed for this tool cover hardened steels, cast iron, stainless steel, non-ferrous metals, long-chipping steels, and superalloys. It is a single-end, right-hand cut, right-hand flute design with no chipbreaker or variable helix, making it a straightforward choice for conventional and climb milling at small diameters. Machinists, tool-and-die makers, and CNC operators working in precision shops are the typical end users.

Key Features

• 1 mm cutting diameter with a mill diameter tolerance of +0.000 / -0.050 mm for consistent sizing
• Micrograin solid carbide construction for hardness and long tool life at small diameters
• 30-degree helix angle for efficient chip evacuation and reduced cutting forces
• 2-flute design provides clearance for chip flow in slotting and profiling operations
• Centercutting geometry allows plunge entry as well as peripheral milling
• Bright/uncoated finish suitable for use with or without cutting fluid

Compatibility

Designed as an OEM-style precision cutting tool for use in standard 3 mm collet systems on CNC machining centers, manual knee mills, and high-speed spindles where small-diameter solid carbide end mills are specified.

Installation Notes

This tool should be installed by a qualified machinist or CNC operator familiar with small-diameter tooling practices. Ensure the collet and collet chuck are clean and within tolerance before seating the shank; shank diameter tolerance is +0.000 / -0.006 mm and proper collet fit is critical at this diameter. Spindle runout should be verified and minimized before cutting, as excessive runout accelerates wear and increases the risk of tool breakage at 1 mm diameter. Follow machine tool manufacturer guidelines for maximum RPM and feed rates appropriate to the workpiece material and depth of cut.