2-Inch HSS Spiral Groove Step Drill Bit, 10 Sizes Cobalt Added High Speed Steel 1/4" to 2" Drill Bit for Sheet Aluminium Metal Wood, Big Multiple Hole Stepped Up Bit for DIY Lovers

★★★★★ 4.4 107 reviews

$26.98
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$26.98
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Free shipping Free 30-day returns

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Management number 218150486 Release Date 2026/05/03 List Price $10.79 Model Number 218150486
Category
  • 🔥 The step drill bit is made from upgraded high speed steel characterized by well-balanced toughness, wear resistance and red hardness properties for better and faster hole -drilling performance. The cobalt coating makes the drill bit more durable so that it can last for years with uncompromised quality.
  • 🔥 The spiral dual-flute design prevents metal fillings from flying around and clears chips faster thus it can drill more smoothly without heating up.
  • 🔥 The rapid strike tip drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2’’ in thickness.
  • 🔥 CORTOOL drill bit is bigger in size so it can drill holes with larger dimensions.
  • 🔥 10 hole sizes: 1/4; 3/8; 19/32; 3/4; 1'; 1'3/16; 1'3/8; 1'5/8; 1'3/4; 2'.
Set Name Cortool 10-Piece Step Drill Bit Set
Brand Name Cortool
Shank Type 3-Flat
Unit Count 1.0 Count
Part Number 13020001
Finish Types Titanium
Manufacturer Cortool
Material Type High Speed Steel (HSS)
Tool Flute Type Spiral Dual-Fluted
Cutting Diameter 2 Inches
Number of Flutes 2
Number of Pieces 10
Minimum Bore Diameter 0.2 Inches
Surface Recommendation Metal,Steel,Wood

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