4Flutes Carbide End Mill Tungsten Steel Milling Cutter Endmills CNC Cutting Tool $15.19 Cutting Edge Length 1.0x3.0x4Dx50Lx4F Overall Length 50 60 75 100 Brand Unbranded Material Tungsten Cobalt Alloy Diameter 1-20mm condition New HRC68 Carbude Square End mill Suitable for use in high hardness steel parts, stainless steel, titanium alloy