25pcs hss roll forged drill bit set show window metal box

25pcs hss roll forged drill bit set show window metal box

Professional HSS drill bit manufacturer in China, 20 years drill bit making experience

DIN338 HSS twist drill bit, roll forged with black oxide treated surface. 118 degree point.

The drill bits ideal for drilling holes on mild steel, copper, Aluminum, Zinc alloy etc.

Parallel shank.

Made from HSS-high speed steel.

Specification: (1.0-13.0)x0.5mm

25pcs rolled HSS drill bit packed in robust metal box with show window

Economical HSS drill bits set