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HSS TiN Coated Center Drill Bit Set
HSS TiN Coated Center Drill Bit Set Details 01
HSS TiN Coated Center Drill Bit Set Details 02
HSS TiN Coated Center Drill Bit Set Details 03

HSS TiN Coated Center Drill Bit Set

(Size: 6pcs 1.0-5.0mm) - Free Shipping
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60 Degrees Combined Drill Bit Set, 6pcs 1.0-5.0mm

Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking. Used for producing center holds in components or work pieces with require machining between centers.

Package & Shipping:

  • Free shipping all over the world
  • 6pcs Combined Center Drill Bits
  • To Korea, Japan : it take about 7-10 days
  • To USA, CA, Spain, France, Poland, Belgium, Portugal, United Kingdom, Germany, Italy and Netherlands: it take about 12 - 20days
  • To other European countries and Ukraine,Belarus,Russian Federation: it take about 15-30 days
  • To other countries: it take about 20-35 days


  • Type: Center Drill Bit
  • Material: High Speed Steel 
  • Coating: Titanium Coating
  • Degrees: 60
  • Size Including: 1.0mm 1.5mm 2.0mm 2.5mm 3.5mm 5.0mm

Where to Use TiN?

Cutting Tools

  • All-purpose coating that significantly improves tool life by 2 – 7x over uncoated tools.
  • Can be applied to all types of tools, including drills, taps, end mills, reamers, inserts, dovetails, etc.
  • Materials that can be coated include HSS, M2, M4, T15, tool steels, carbide, stainless steels and other materials.

Punching and Forming Tools, Stamping Applications

  • On punches, TiN provides 2 to 10x tool life over uncoated punches.
  • In forming applications, TiN improves tool life and lubricity, reduces friction, and reduces or eliminates galling.

Injection Molding

  • TiN-coated mold components last 2 – 8x longer than uncoated.
  • Improved lubricity for faster cycle times.
  • Better abrasion resistance when using glass-filled plastics.
  • Corrosion resistance when corrosive gases are formed in the molding process.
  • Reduces or eliminates galling between sliding mold components.

Medical Components

  • Biocompatible, FDA approved for use on medical devices.
  • Use TiN for edge retention on surgical instruments.
  • Improve device aesthetics to differentiate products from those of competitors.

Wear Components

  • Use TiN to extend the product life, improve performance and enhance the appearance of a product.
  • Typical applications would be firearm components, knife blades, bicycle parts, etc.