3mm x 20mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs One Way Check Valves high and low temperature resistant

high and low temperature resistant

stainless steel and cast iron

Standard: ISO4017/DIN933

Material: Zirconium Oxide (ZrO2)

5mm): 10mm/0

3mm x 20mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs One Way Check Valves high and low temperature resistantMade of super fine grain carbide, the end mill cutter has high hardness (HRC92), high strength, and wear resistance. With good milling and cutting performance, carbide can run at higher speed than high speed steel. Features square end cut, 4 flute design, large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting. The AlTiSin composite coating has high hardness, high wear resistance and high thermal