Extra Long 160mm HSS Twist Drill Bit 4mm, for Fast Drilling in Block, Masonry, and Concrete, With Straight Shank Design

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  • Efficient Drilling The milled flutes with deep cut spiral design enable fast material removal, while the flute channels facilitate chip extraction and coolant flows for smooth drilling.
  • Reduces Tool Wear The surfaces treatment on the drill bits helps retain cutting fluid, preventing chip-to-tool welding and minimizing built-up edges formation for extended tool life.
  • Premium Material The twist drill bits are crafted from top-quality high-speed steel, ensuring enhanced durability for long-lasting use.
  • Versatile Applications Ideal for impact drilling in various materials including blocks, masonry, and concrete, these twist drill bits are a must-have and enthusiasts.
  • Straight Shank Design Featuring a straight shank, these drill bits are easy to operate and compatible with various electric drills and drilling machines.

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