50pcs Up and Down Cut Carbide End Mills 3.175mm 4mm Shank Spiral Router Bits Two Flute Compression Milling Cutter Solid CNC Mill(50P 3.175x17x38L)

End Mills50pcs Up and Down Cut Carbide End MillsShank Diameter: 3.175mm 4mm Cutting Length: 12-22mmOverall Length: 38-45mmPackage Includes: 50pcs 2 Flutes Compression Cutters

• End Mills
• Shank Diameter ：3.175mm 4mm
• The design of up and down cutting spiral router bit effectively reduces cutting resistance facilitates chip removal makes the workpiece smoother and brighter and further improves processing efficiency.
• The 2-flute carbide router bit is widely used for plastic boards MDF density boards plywood hardwoods particle boards and so on.
• The compression cutter is designed with top and bottom grooves to prevent delamination of the top and bottom of the workpiece.
• The end mill cutting edge is hard and sharp which can process heat-treated materials at high speed reduce the number of tool changes and increase productivity.