Kennametal 3658893 Square End Mill 0.25in 2 Flute Carbide

Product Description

The KENNAMETAL 3658893 is a solid carbide square end mill designed for precision milling operations in metalworking and machining applications. With a 0.25-inch cutting diameter and 1.25-inch length of cut, this tool delivers tight tolerances and consistent results in ferrous and non-ferrous materials. The 45-degree helix angle promotes efficient chip evacuation and reduces cutting forces. Featuring a bright, uncoated finish and Material Grade K600 carbide substrate, it is suited for high-speed cutting in shops where tool life and dimensional accuracy are priorities. Licensed machinists and CNC operators are the primary users of this tool.

This end mill is built for single-end use in CNC machining centers, vertical mills, and manual knee mills. Its 0.25-inch shank diameter fits standard collet and end mill holder systems. The right-hand cut, right-hand spiral flute geometry makes it compatible with conventional and climb milling passes. The AADF series designation indicates this is a general-purpose geometry suited for slotting, profiling, and peripheral milling in a range of workpiece materials.

Key Features

• Solid carbide construction with K600 material grade for wear resistance and rigidity
• 45-degree helix angle promotes smooth chip flow and reduced vibration
• Centercutting design allows plunge entry into the workpiece
• Bright, uncoated finish suitable for non-ferrous and general-purpose applications
• Right-hand cut, right-hand flute spiral geometry
• AADF series with no chipbreaker and no variable helix for predictable cutting performance

Compatibility

Designed as a direct-fit replacement or standard tooling option for 0.25-inch collet chucks and end mill holders used in CNC and manual milling machines. Part of the KENNAMETAL AADF series.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and locked out before inserting or removing the end mill from the holder. Use a properly sized collet or shrink-fit holder to maintain the shank diameter tolerance of +0.00000 to -0.00035 inches. Verify runout with a dial indicator before beginning a production run to protect both the tool and the workpiece.