Twist Drill Bits,Metal Bit,1pc Drilling HSS 400mm Extra Long 6/7/8/9/10/11/12/13/14mm High Speed Cobalt Steel,14mm(11mm)

★★★★★ 4.4 115 reviews

US$12.42
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US$12.42
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 221864529 Release Date 2026/05/04 List Price US$12.42 Model Number 221864529
Category
  • Twist drills are formed after quenching, and they meet the industrial tolerance standards for bore diameters. Each bit meets industrial performance and safety standards.
  • Suitable for various materials, such as die steel, spring steel, white steel, ordinary steel, aluminum, copper, wood, stainless steel(within 1-4mm), plastic and PVC,etc.
  • With the double groove chip removal design, these drill bits can speed up the process of drilling and chip removal.And the round shank is suitable for most types of hand drills and impact drills.
  • The drill bits in the pack is 400mm, which are longer and drill deeper than standard ones. Made of High-speed steel, these twist drill bits are durable, and they have high abrasion resistance&long service life.
  • Multi‑Material Capability – Ideal for DIY, professional, and workshop tasks

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115 ratings | 47 reviews
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