M35 5% Cobalt Metric Drill Bits Set (1mm-13mm/25pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron - WildBossy, GZZT-004

• ✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 18 times. ✅【25PCS METRIC DIRLL BITS SET】The drill bits include 25pcs metric drills: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 7.5mm, 8 mm, 8.5mm, 9 mm, 9.5mm, 10 mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, can meet more needs. ✅【TWIST DESIGN AND PERFORMANCE】Precise 141° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement. ✅【VERSATILE USE】Our M41 Cobalt High-Speed Steel drill bits are ideal for cutting through hard materials like stainless steel, steel, and cast iron, as well as wood, aluminum alloys, and other metals. Please note that they are not suitable for glass or ceramic materials. Pay attention to speed, pressure, and heat control when drilling. ✅【SATISFACTION GUARANTEED】We stand behind the quality of our product. If you have any problems or are not satisfied with our metric drill bit set, please feel free to contact WildBossy for assistance.