Step Drill Bit,9 Steps Size Four Spiral Flute M35 Cobalt Step Core Bit with 1/4" Quick-fit Hexagon Shank Hole Saw for Metal,Stainless Steel,Aluminum,Wood, Plastic, Copper

★★★★★ 4.4 131 reviews

$40.99
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$40.99
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Free shipping Free 30-day returns

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Product details

Management number 209980090 Release Date 2026/04/02 List Price $16.40 Model Number 209980090
Category
  • M35 Cobalt HSS Step Drill Bits is suitable for drilling Metal, Stainless Steel, Aluminum, Wood, Plastic, Copper and other similar materails.
  • 118° Split Point provides self-centering and prevents walking and Four Spiral Flute provide faster and soother drilling,like cutting butter.
  • TiAlN Coating With 89HRC surface hardness, can cut harder materials and achieve higher cutting speeds and be Heat resistant, wear-resistant, and corrosion-resistant.
  • Suitable for Hand electric drill, bench drill etc; the recommend speed is 2000-5000RPM; if cut softer materials, the recommend speed is 1000RPM; Don't use impact and hammer modes. It is recommended to use cutting oil or water cooling during continuous cutting to greatly extend the service life.
  • Dry or wet drilling Porcelain/Tile/Ceramic/Marble/Brick/Stones/Granite/Masonry.

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4.4 out of 5
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131 ratings | 54 reviews
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