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Carbide Twist Drill Bit D14.6mm – TiAlN Coated, 115mm OAL, for Hardened Steel

Product Specifications:

  • Product Number:DSD146F65S160L115
  • Material:Tungsten Carbide
  • Cutting Diameter:14.6 mm
  • Flute Length:65 mm
  • Overall Length:115 mm
  • Shank Diameter:16 mm
  • Coating:TiAlN (titanium aluminum nitride)
  • Max. Workpiece Hardness:HRC 58
  • Length Type:Jobber-length
  • Standards:DIN / JIS / API
  • HS Code:8207400000
  • Package:Plastic Box
 

Product Details

This solid carbide twist drill bit features a TiAlN (titanium aluminum nitride) coating, engineered for high-performance drilling in hardened steels (up to HRC 58), stainless steel, cast iron, and nickel-based alloys. The 14.6mm cutting diameter with a 65mm flute length and 115mm overall length provides an ideal balance of rigidity and chip evacuation for medium-depth holes in CNC machining centers and milling machines.

The TiAlN coating offers superior heat resistance (up to 800°C) and higher surface hardness compared to TiN, enabling faster cutting speeds and longer tool life in dry or high-speed drilling applications. The straight shank (16mm) fits standard hydraulic and collet chucks. This jobber-length drill is suitable for a wide range of industrial hole-making tasks.

Typical applications include injection molds, die casting tools, automotive components (e.g., connecting rods, transmission parts), and general engineering. Custom lengths, shank configurations, and alternative coatings (AlCrN, DLC) are available for OEM orders. For precision drilling in demanding materials, this TiAlN-coated carbide drill delivers consistent hole quality and extended tool life.

 

Product Series

SOLID CARBIDE DRILLS FOR Mold Manufacturing

Solid carbide drills for automotive manufacturing deliver high precision, excellent wear resistance, and high cutting speeds. Ideal for engine cylinders, transmission housings, brake systems, and e‑motor components.

You can refer to the article Application of Solid Carbide Drills in Automotive Manufacturing to learn more.

Series Products

 

Customization

Size Customization

We offer custom carbide drill bits in any diameter, length, and shank configuration. Contact us with your size requirements.

📏 Standard sizes are listed on our size chart page. Need a non‑standard diameter, length, or shank? Custom sizes are also available – just tell us your requirements.

Coating Customization

Drill coating comparison chart: TiN, TiCN, TiAlN, AlTiN, CrN, DLC, Diamond – color, hardness, max temperature, recommended materials, and typical applications.
 

Worldwide Service

Tool packaging and international delivery – export carton

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