china drill bit 1)material:tungsten carbide 2)size :Dia .33mm,43mm,53mm,67mm,73mm,83mm.

  china  drill bit  

1. Product information :

1)Material: tungsten carbide

2)Colors:silver

3)Size: Dia .33mm,43mm,53mm,67mm,73mm,83mm.

4)FOB price :FOB Xiamen USD 0.5-5 /piece

5)MOQ: 1000pcs

2.Picture:

   

Tungsten carbide china drill bit