CYLBAQ HSS Drill Bit Sets, 11pcs Black Oxide Drill Bit Set 1mm-10mm with Automatic Center Drill, High Speed Steel 4241 Drill Bits For Drilling Wood, Plastic and Metal

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Colour: 10pcs 1-10mm with Center Drill

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Product description

  • Premium HSS Black Oxide Precision Ground The drill bit sets is made of High Speed Steel 4241, surface of drill tools is rolling black nitride, enhance the surface hardness of the drill to improve machining accuracy, improve temperature resistance and wear resistance, performance and durability are proven.
  • Multiple Metric Sizes The twist drill bit Includes 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm. Complete specifications to meet different needs. The 135 fast cutting split point penetrates quickly with less pressure, in the drilling work has excellent processing performance.
  • 100% Reliable After-Sales Service Come in a plastic display box for easy storage and transportation. The drill bit is heavy, and the plastic box is easily damaged during transportation. If you have any questions, please feel free to contact us, and we will try our best to solve it for you.

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