broca 8Pcs 1/2 Inch Shank HSS 4241 Twist Drill Bit Set 9/16 To 1 Inch Twist Drill For Wood Metal (Co
Descrição do Produto
- Features:
- For general using drilling in wood, aluminum, malleable iron, steel, plastic etc.
- Material for high-speed steel 4241, higher wear resistance, toughness and bending resistance.
- Increase the groove, chip more smoothly, drilling fast.
- Sharp head, through a special grinding edge, to speed up the punching speed.