2mm x 12mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs 20x28x40mm Tips: Do not use a

Tips: Do not use a needle file to polish the oxide layer of the workpiece

and then soldering to install

Materials: Copper

Tolerance is  ±5%

Total Length: 56mm / 2

2mm x 12mm x 4mm x 50mm AlTiSin Coated Carbide 4 Flute Square End Mill 2pcs 20x28x40mm Tips: Do not use aMade 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