amoolo Cobalt Drill Bit Set (1.5-6.5mm,13Pcs), M35 HSS Metric Twist Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron

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  • M35 Cobalt Drill Bit This drill bit contains 5% Cobalt (M35 Cobalt HSS), which increases the strength, extend the tool life and makes it more heat-resistant. Rockwell Hardness 67.
  • Combo Set of 13 Sizes 13 most commonly-used sizes 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm. It is packed with a plastic case for easy storage and organization.
  • Multiple Application M35 Coblat HSS is perfectly suitable for Hard Metals, such as Stainless Steel and Cast Iron. Can be used for Wood, Aluminum Alloy and Other Softer Metals. NOT for Glass or Ceramic Materials. Pay attention to speed, pressure and heat control during drilling.
  • Fully Ground Process & 135 Split Point No center punch is needed. Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135 split point with straight shank prevents walking and makes drilling precise and faster.
  • HASSLE-FREE WARRANTY If you are not fully satisfied for any reason, please contact us for 100% refund or replacement in 90 days.

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