13pcs HSS twist drill bit set in metal box
13pcs HSS twist drill bit set in robust metal box from China drill bit manufacturer
Polished flute and groud cutting edges for the most accurate hole dimensions and high concentricity.
Economical high speed steel drill bit for general drilling
The drill bit used in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.
Bright finished surface Hss drill bit packed in robut metal box with show window