We are a professional and bigger drill bits factory in China,Below is our business range for your reference:Drills.A. For drill iron and steel: Black twist drill, Polishing twist drill,Titanium-coated
Professional BI-Metal saws with high speed steel teeth, electron welded to a shatterproof, shock absorbing alloy bodyVariable pitch tooth pattern cuts clean through ferrous and nonferrous metals, all
They have fluted designs and are used to make clean cuts in hardwood, metal, plywood, and plastic. Countersinks are fashioned to a wide range of engagement angles (60, 82, 90, 100, 110, 120, 130 140de