5pcs 1/4" Hex Shank Titanium Twist Drill Bit Set 5 Sizes 1.4mm-4mm Drilling Dia High Speed Steel Drills for Hardened Metal, Stainless Steel, Cast Iron, Wood, Plastic
5pcs 1/4" Hex Shank Titanium Twist Drill Bit Set 5 Sizes 1.4mm-4mm Drilling Dia High Speed Steel Drills for Hardened Metal, Stainless Steel, Cast Iron, Wood, Plastic
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5pcs 1/4" Hex Shank Titanium Twist Drill Bit Set 5 Sizes 1.4mm-4mm Drilling Dia High Speed Steel Drills for Hardened Metal, Stainless Steel, Cast Iron, Wood, Plastic

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Key item features

  • Versatile Drilling: This 5-piece set includes titanium-coated twist drill bits with 1/4" hex shanks, suitable for various materials like hardened metal, stainless steel, cast iron, wood, and plastic.
  • Optimal Dimensions: Drill diameters range from 1.5mm to 4mm, with corresponding flute lengths from 18mm to 52mm, ensuring precise drilling for different tasks.
  • Enhanced Durability: Made from high-speed steel with a titanium nitride coating, these bits offer increased hardness, wear resistance, and a longer service life.
  • Reduced Friction: The titanium coating minimizes friction and heat buildup during drilling, preventing dulling and overheating, especially when working with metal.
  • Accurate Performance: The cutting edge design and consistent sizing of the bits contribute to precise drilling results and reliable performance in finished products.
  • Usage Recommendations: For optimal performance and extended life, it is recommended to use coolant when drilling at high speeds and to adjust drilling speed based on diameter.
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