5PCS Spiral End Mills Single Flute Titanium Coating Metric 4x12x45mm High Speed Steel Cutters

1、Standard metric system end mills with 4mm diameter and 4mm shank diamater 12mm blade length and 45mm length in total. 2、Using special high?grade overall high?speed steel material for a high tolerance grinding ability. 3、Smooth clean cutting of aluminum brass copper and other nonferrous metals. 4、Very strong not easy to break under continuous processing with sharp angles and edges. 5、High chip removal efficiency fast processing speed and high flatness.