sourcing map 15pcs M35 Cobalt Twist Drill Bit Set 2.5mm Dia High-Speed Steel Metric Drill Bits 56mm Overall Length for Drilling Cutting Through Hard Metals Stainless Steel

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  • Cobalt Material The drill bit for metal is made of high-speed steel with M35 cobalt, provides high hardness(HRC64-HRC66), good toughness, and wear resistance.
  • Application - Cobalt twist drill is suitable for hardened materials and hard metals, such as stainless steel, mould steel, cast iron, aluminum alloy, copper and hard plastics, and also suitable for soft materials.
  • Note - Please note that these small drill bits are not suitable for glass, tile, wall, stone or ceramic materials, pay attention to speed, pressure, and heat control when drilling.

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