• 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
  • 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
  • 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
  • 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
  • 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
  • 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
  • 4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal
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4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal

4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal

$1.44 USD
$1.44 USD $1.44 USD
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Product type
hardware
4-12/4-20/4-32mm spiral grooved step drill bits HSS titanium coated, 3pcs black/gold, hex shank for wood, stainless steel, metal. Perfect for woodworking DIY. Packaged in 1 piece. 
  • High-performance spiral groove design These 4-12/4-20/4-32mm spiral grooved step drill bits feature precision engineering for smooth cutting in wood, stainless steel, and metal. The spiral grooves efficiently remove debris for cleaner, faster drilling.
  • Titanium-coated HSS construction Made from HSS  with a durable titanium coating, these drill bits offer enhanced hardness, heat resistance, and longer service life across various materials.
  • Multiple size options available Choose from 4-12mm, 4-20mm, and 4-32mm sizes to suit different drilling needs. Each set includes three bits, providing versatility for a wide range of DIY and workshop projects.
  • Hex shank for secure fit Equipped with a hex shank, these drill bits ensure a firm grip in standard drill chucks, minimizing slippage and improving drilling accuracy and efficiency.
  • Available in multiple color and packaging options Options include Black 3PCS No Bag, Black 3PCS With Bag, Gold 3PCS No Bag, Gold 3PCS With Bag, Gold 4-12mm, Gold 4-20mm, Gold 4-32mm for flexible selection based on storage and presentation needs.
  • Compact and lightweight packaging Each pack weighs only 0.168 kg and measures 13 x 9 x 3 cm, making it easy to store, transport, and organize in toolboxes or workspaces.
  • Designed for woodworking and metalwork Ideal for woodworking and metal drilling applications, these core drill bits deliver consistent performance on materials like wood, stainless steel, and general-purpose metals.
Features:
1. High speed steel material, more durable.
2. Nitride coated to reduce friction and run cooler
3. No need for a pilot hole,  can automatically deburr holes as you drill.
4. Special step stucture, can drill different size holes,
5. 1 step drill can be used as 1 box of drill bit.
6. Working with water cooling, can effectively extend the service life of bit,drilling speed 250--400 recommended.Widely used to cut holes ina variety of material like thin steel board, wood, thin iron, aluminum alloy,insulation boards, PVC sheet,ect.
Specification:
Type: Spiral Step Drill Bit
Material: High Speed Steel
Handle:Hex
4-12mm: 4-6-8-10-12mm 9 steps
4-20mm: 4-6-8-10-12-14-16-18-20mm 9 steps
4-32mm: 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mm 15 steps



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