RUKO KEB-HM Weldon Shank HSS Countersink 40.0 mm

Creating a clean, precise chamfer or countersink in metal often requires a tool that can withstand high rotational speeds and provide accurate centering. The RUKO KEB-HM Weldon Shank Countersink with a 40.0 mm diameter addresses this need with a solid carbide cutting edge designed for efficient material removal and long service life.

Who is it for

This countersink is intended for metalworking professionals and advanced users who need to deburr or create conical seats for flat-head screws in steel, stainless steel, and other hard materials. It is suitable for use in drilling machines, milling machines, and CNC machining centers equipped with a Weldon shank holder.

Main features

• 40.0 mm cutting diameter for large countersinks and chamfers.
• Solid carbide (HM) cutting edges for high hardness and wear resistance.
• Weldon shank (KEB) for secure, slip-free clamping in tool holders.
• Three cutting edges for smooth, chatter-free operation.
• 90° countersink angle suitable for standard flat-head screws.

Specifications

• Cutting diameter: 40.0 mm
• Shank type: Weldon (KEB)
• Cutting material: Solid carbide (HM)
• Number of flutes: 3
• Countersink angle: 90°

Tips

Use appropriate cutting fluid to extend tool life and improve surface finish. Ensure the Weldon shank is fully seated and the set screw is tightened to the recommended torque. For optimal results, select a spindle speed based on the material being machined and the tool diameter.