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Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel in Kuwait

Crosstar Cobalt Stepped Point Drill Bit Set-21pcs 1/16"-1/2" TiAlN Coated Step Drill Head,M35 HSS Jobber Bits,No Pre-Drilling,3-Flat Shank,with Indexed Storage Case,Precise Drilling,for Hardened Steel

KWD 20
Brand
Crosstar
Weight
481 g
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • 【21-Piece M35 Cobalt Steel Drill Bit Set: Targeted for Hard Metals】Crafted from premium M35 cobalt steel with 5% cobalt core, this drill bit set is engineered to tackle tough metals ranging from 30–60 HRC hardness. It delivers superior drilling performance on stainless steel, high-temperature alloy steel, and bearing steel, outperforming ordinary high-speed steel bits on hard materials.
  • 【135° Step Drill Head: 50% Faster, No Pre-Drilling Needed】Boasting a 135° split-point step design, this drill bit enables instant, accurate starting—even on curved surfaces. The stepped structure delivers rounder, smoother holes and allows easy hole enlargement on existing openings. The tri-flat shank locks securely in chucks for stable, wobble-free drilling.
  • 【Exclusive TiAlN Nano Coating】Unlike the mainstream oxide, blued, or yellow-baked coatings on the market, our drill bits feature an exclusive high-performance TiAlN nano coating. Boasting 1400°F heat resistance and 6x enhanced durability, this unique coating solution outshines competitors and delivers unmatched drilling performance for tough tasks.
  • 【Superior Shockproof Case】Our premium shockproof case is attractive, shatter-resistant and effectively solves the common issues of flimsy plastic boxes that break easily and iron boxes that tend to rust; each drill body is marked with laser-etched size labels for quick access, and the 21-piece set comes with practical popular sizes for secure storage and hassle-free use.
  • 【Usage Tips + Guarantee】 Apply steady vertical pressure during operation (do not twist the drill bit) and match the rotational speed to the bit size for optimal performance: 1/16–9/64 inch bits recommended at 1260rpm; 5/32–1/4 inch bits at 740rpm; 5/16–1/2 inch bits at 290rpm. if any quality issues arise during use, please contact us promptly—we will make every effort to resolve the problem and ensure your satisfactory shopping experience.

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