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3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank
3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank 3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

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Product details

Management number 218534136 Release Date 2026/05/03 List Price $11.20 Model Number 218534136
Category
  1. Industrial & Scientific
  2. Cutting Tools
  3. Industrial Drill Bits
  4. Metalworking & Multipurpose Drill Bits
  5. Step Drill Bits
  • 【High Quality Materials】: Made from harder and more wear-resistant M35 cobalt high speed steel, it can easily drill holes in stainless steel plates, cast iron plates, copper plates, and aluminum plates, while also being suitable for wood and plastic.
  • 【Four-Flute Spiral Groove】: The four spiral grooves allow smoother chip removal, distribute cutting forces more evenly, reduce vibration, and ensure higher precision.
  • 【Nano-Grade Industrial TiAlN Coating】: The coating increases hardness to 90HRC and extends the step drill bit's lifespan by 3-5 times. (Cobalt step drill bits with TiAlN coating can achieve over 10 times the lifespan of ordinary M2 HSS bits.)
  • 【Dimensions and Hex Shank】: This 3-piece M35 step drill bit set offers versatile drilling solutions with three distinct bits, covering a comprehensive range of sizes to suit various applications: 1/4"-3/4" bit (9 sizes): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", and 3/4" 1/8"-1/2" bit (13 sizes): 1/8", 3/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2" 3/16"-7/8" bit (12 sizes): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", and 7/8".The hex shank enhances clamping stability compared to round straight shanks and tri-Flats shanks, and is compatible with the vast majority of chucks on the market.
  • 【Service Guarantee】: We are committed to providing high-quality products and services. For any feedback or dissatisfaction with our products, please contact us promptly. We are happy to assist you.

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

3 Pcs 1/8"-7/8"(34 Steps) Step Drill Bit Four Spiral Flute Cobalt Step Drill Bit Set Fully Coated TiAlN for Metal, Stainless Steel, Aluminum, Plastic, with 1/4" Hex Shank

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