Masonry Drill Bit Set Black Oxide

Concent size: 4,5,6,8mm

100set/ctn

N.W./G.W./Ctn: 14/15kgs

surface finish:sand finnished, zine plated, chrome plated,nickce plated and copper plated

*made of hign carbon steel  and 40CR steel with ind grade carbide tip for long life and efficient drilling

*milled slow spiral for quick,easydebris removal

*galvanized surface finish for corrosion resistance

*hardened core for extra strengh and reduced breakage

*for drilling in masonry concrete,rock and breeze blocks

*Diameter: from3mm-26mm    Length: standard,200mm,300mm,400mm,600mm

We can supply the product in single pcs as well as in sets with decent package: