WD11251TI-25pcs half ground twist drill bits set

WD11251TI-25pcs half ground twist drill bits set

DIN338 HSS twist drill bits, half ground with titanium coating surface.

the twist drill bits can be made with either 118 or 135 degree point

Ideal for drilling on mild steel, copper, aluminium, zinc alloy etc.

the drill bits shank is parallel shank.

the drill bits packed in metal case with show window

Contents of the drill bits in the set:

1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,10.5,11,11.5,12,12.5,13mm