4mm Carbide Drill Bits For Construction Industry With Different Groove And Finish

Product Descriptions:

Masonry drill is so-called contruction drill or cement drill, which is widely used in the construction industry. Our carbide tips are all with original materials, which could enhance the service life. The groove are available with U shape, V shape and concave shape etc. The surface finish are available with Zn-coated, Ni-caoted, Chrom-coated, copper-coated, black finish and sandblast, etc. It is the strength of our drilling products. Sizes are from D3 x L65mm to D28 x L800mm. The largest size we could make is D40 x L1200mm.

Masonry drills