Seco 17004608 Square End Mill 3/8 in 4 Flute Cvd Diamond Carbide

Product Description

The SECO 17004608 is a solid carbide square end mill designed for high-performance milling of carbon fiber reinforced polymer (CFRP) materials and other abrasive composites. It features a CVD diamond coating that delivers exceptional hardness and wear resistance, extending tool life significantly in non-metallic and composite applications. The 4-flute, right-hand spiral configuration with a 30-degree helix angle promotes efficient chip evacuation and smooth cutting action. At 3/8 inch in diameter with a 1-3/8 inch length of cut and 4 inch overall length, this is a long-series tool suited for reaching into deeper features. Micrograin carbide substrate adds toughness at the cutting edge.

This end mill is intended for machining CFRP laminates, carbon fiber composites, and similarly abrasive non-metallic workpiece materials. The centercutting geometry allows plunge entry as well as conventional peripheral and slot milling. It is used in CNC machining centers across aerospace, motorsport, and advanced manufacturing environments where composite part machining is routine. The straight 3/8 inch shank fits standard collet chucks and end mill holders common to these setups. The Series DIAL430 long-series design provides added reach without sacrificing rigidity at this diameter.

Key Features

• CVD diamond coating for extreme wear resistance in abrasive composite materials
• 4-flute right-hand spiral flute with 30-degree helix for efficient chip removal
• Centercutting capable — supports plunge, slot, and peripheral milling operations
• Micrograin solid carbide substrate for enhanced edge toughness and dimensional stability
• Long-series DIAL430 designation with 1-3/8 inch length of cut for deeper feature access
• Tight tolerances: mill diameter -0.0010/+0.0010 inch, TIR maximum 0.0005 inch

Compatibility

Designed for use in CNC machining applications with CFRP and composite workpiece materials as designated by Primary Workpiece Material Code C. Fits standard 3/8 inch collet chucks and end mill holders. Part of the SECO DIAL430 long-series end mill family.

Installation Notes

Installation and tool changes must be performed by qualified machinists with the spindle fully stopped and machine controls locked out. Seat the straight shank fully into a clean, properly sized collet or end mill holder and torque the retention mechanism per the toolholder manufacturer's specifications. When machining CFRP, use appropriate respiratory and dust-control measures per applicable shop safety regulations, as composite dust is a recognized health hazard. Inspect the CVD diamond coating for chipping or delamination before each use and replace the tool if edge integrity is compromised.