Seco 17011705 Square End Mill 7/32 in 4 Flute Cobalt

Product Description

The SECO 17011705 is a single-end cobalt square end mill designed for precision material removal in milling operations across a wide range of workpiece materials. Built from M42 cobalt high-speed steel, it delivers the heat and wear resistance needed when cutting steel, stainless steel, cast iron, aluminum and non-ferrous metals, and high-temperature alloys. The cutter measures 7/32 inch (0.2188 inches) in diameter with a 5/8 inch (0.6250 inches) length of cut, a 3/8 inch shank diameter, and an overall length of 2-7/16 inches (2.4375 inches). Four spiral flutes with a 30-degree helix angle promote efficient chip evacuation. The bright uncoated finish makes this a reliable choice for general-purpose milling where coating is not required.

This end mill is suited for vertical and horizontal milling centers, manual knee mills, and CNC machining centers in both job shop and production environments. Its centercutting geometry allows both peripheral and plunge cutting. The right-hand cut and right-hand flute configuration is standard for conventional and climb milling on typical machine spindles. Series SPC408 designates its place in SECO's cobalt fractional-inch end mill lineup, making it a practical selection for machinists working with ferrous and non-ferrous materials where tool cost and regrindability matter.

Key Features

• M42 cobalt construction for improved heat resistance over standard HSS in demanding cuts
• Centercutting design allows direct plunge entry into workpiece material
• 30-degree helix angle promotes smooth chip flow and reduced cutting forces
• Bright uncoated finish suitable for aluminum, non-ferrous metals, and general steel applications
• Right-hand cut and right-hand flute for standard spindle direction on most milling machines
• Mill diameter tolerance of +0.0000 to -0.0030 inches ensures predictable fit and cut accuracy

Compatibility

Designed for use on steel, stainless steel, cast iron, aluminum and non-ferrous metals, and high-temperature alloys per material codes P, M, K, N, and S. Compatible with standard 3/8 inch milling collets and end mill holders on vertical mills, knee mills, and CNC machining centers.

Installation Notes

Installation should be performed by a qualified machinist. Secure the 3/8 inch shank fully into a matching collet or end mill holder and verify runout does not exceed the 0.0010 inch TIR maximum before cutting. Confirm spindle rotation matches the right-hand cut direction before engaging the workpiece. Inspect the cutting edges for damage before each use and replace if chipping or wear is evident.