HSS Cobalt Drill Bits, Xinrub M35 Cobalt Drill Bit Set HSS-CO Drills Set Cordless Drill Bits for Drilling on Stainless Steel(2.5mm)

【Cobalt Drill Bits】These drill bits are made of M35 material, contain 5% cobalt, have high hardness and stable performance. Cobalt steel can extend the life of the cutting edge and maintain the life of the cut after regrinding. 【Cobalt Drill Bits】These drill bits are made of M35 material, contain 5% cobalt, have high hardness and stable performance. Cobalt steel can extend the life of the cutting edge and maintain the life of the cut after regrinding. 【Wide scope of application】The drill bit is very suitable for drilling stainless steel, cast iron, sheet metal, sheet steel and angle steel. Widely used for drilling stainless steel plates, automotive spring steels and mold steels. 【Easy to use】The 35 degree forked tip immediately starts drilling with less force and eliminates "walking" on the work surface. 【Professional drill】The surface finish is high, the grinding accuracy is high, and the blade is sharp and durable. This is an efficient professional drill bit. 【Sizes Available】There are 10 different sizes to choose from to meet your different needs. Drill size (optional): 1.0, 1.5mm, 2mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 5mm.