Seco 17013176 Corner Chamfer End Mill 3/4in 4 Flute Cobalt

Product Description

The SECO 17013176 is a corner chamfer end mill engineered for demanding metal removal in stainless steel, superalloys, and titanium. It belongs to the VFP635 series and carries an M42 cobalt construction, which provides the heat resistance and edge toughness these materials demand. The tool measures 3/4 inches in diameter with a 3-inch length of cut and a 5.25-inch overall length. A 45-degree chamfer at 0.0300 inches width breaks the corner cleanly without requiring a secondary deburring operation. Right-hand cutting and helical flute geometry support consistent chip evacuation across high-engagement passes. Licensed machinists, tool-and-die workers, and CNC operators are the primary users of this tool.

This end mill is suited to roughing operations including shouldering, slotting, ramp-down entry, helical interpolation, drill milling, plunging, and recessing. The super-close pitch and medium helix style make it effective in difficult-to-machine alloys where vibration and heat buildup are persistent concerns. The Weldon flat shank provides a secure, repeatable grip in compatible toolholders. It is a single-end, centercutting tool, meaning it can be fed axially as well as radially. Typical applications span aerospace, oil-and-gas, and medical component machining where stainless and titanium workpieces are standard.

Key Features

• M42 cobalt construction for elevated heat resistance in stainless steel, superalloys, and titanium
• 45-degree chamfer angle at 0.0300 inches width for clean corner breaking in a single pass
• 4-flute, super-close pitch design reduces vibration and supports stable roughing cuts
• Centercutting geometry allows axial plunge entry without a pre-drilled pilot hole
• Weldon flat shank provides a secure, anti-pullout connection in standard toolholders
• Right-hand helical flutes with medium helix style for consistent chip evacuation

Compatibility

Designed for use in CNC machining centers and manual milling machines equipped with 3/4-inch Weldon flat toolholders. Primary workpiece materials are stainless steel, superalloys, and titanium (material codes M and S). This tool is part of SECO series VFP635 and also carries manufacturers catalog number VFP435-0.750-D4-C030.3-Z4.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Ensure the machine spindle is fully stopped and locked out before inserting or removing the tool from the toolholder. Verify the Weldon flat is properly aligned with the setscrew to prevent axial pullout during high-engagement cuts. Confirm toolholder runout is within tolerance before beginning cuts in superalloys or titanium, as excess runout accelerates edge wear on cobalt tooling.