7 Pcs 150mm Extra Long High-speed Steel HSS Twist Drill Bit Kit, Spiral Drill Bits High Hardness for Wood Plastic Aluminum Masonry DIY Home Building Drill Bits - Diameter 2/3/3.5/4/5mm

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  • Premium Material These extra long drill bits are made of outstanding high-speed steel HSS material with high hardness and durability, which is more sturdy, durable for long time use.
  • Easy to Use The cutting edge makes cutting more efficient and can cut high hardness materials. The drill shank-stable clamping, durable in use, and will not be easily damaged.
  • Practical Design The twist drills are designed to meet industrial diameter tolerance standards. And the double flute chip removal design can speed up the process of drilling and chip removal.
  • Wide Applications Ideal for most types of hand drills and impact drills. Suitable for wood, spring steel, white steel, PVC, ordinary steel, die steel, aluminum, copper, stainless steel (within 1-4mm), and more.
  • Package Includes The twist drill bits kits have 5 types of diameter 2 3 3.5 4 5mm, in the length of 150mm, 3 pcs 2mm, and one piece of other diameter, a total of 7 pcs, different sizes to meet your needs.

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