Metal

Suitable for drilling-only with cooling-in alloyed and unalloyed steel up to a tensile strength of 1000N/mm Make the drilling be more easy and effortless For drilling holes in the metals like steel, aluminum, copper etc.. To be used with a drilling machine or cordless drill driver Drill bits having straight shank to be tightened in a chuck 10Pcs drill bits; 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm