3.5mm Drill Bit + M35 Cobalt Set HSS CO Drills 1.0 5.0MM rilling on Stainless Steel (3.5mm)

Professional tools: Suitable for stainless steel, cast iron, sheet metal, steel, angle iron drilling is widely used in stainless steel, automotive spring steel and die steel drilling has a high finish, high grinding precision, blade sharp and Prolonged service life: Cobalt steel prolongs the service life of the cutting edge and maintains a cutting life of 0.135 degrees after re-grinding. The splitting tip starts drilling immediately, with less force and eliminates "walking" on the working Quality Assurance:If you are not satisfied with our products, please contact us, we will provide you with comprehensive after-sales service until you are satisfied. material: Made of M35 material, containing 5% cobalt, high hardness, stable performance, high-speed steel M35, advanced technology, full grinding bit Function: Straight shank twist drill mainly consists of two main cutting edges and minor cutting edges in the cutting part of the working part. The guiding part of all working parts of the cutting work is guided and prepared for grinding. Spiral to facilitate chipping.