Hex Shank Straight Flute Step Drill Bit China Set with TiN Coating

Description

Our Hex Shank Straight Flute Step Drill Set with TiN Coating is engineered for precision and durability across a range of drilling applications. The set includes three multi-step drill bits with step counts of 5, 9, and 15—covering ranges of 4-12mm, 4-20mm, and 4-32mm respectively. The TiN coating minimizes friction and enhances wear resistance, while the hex shank ensures quick and secure bit changes. Ideal for drilling in metal and other materials, this set delivers consistent, professional results.

What’s in the Box:

  • 1 x 4-12mm (5-step) drill bit
  • 1 x 4-20mm (9-step) drill bit
  • 1 x 4-32mm (15-step) drill bit

 

Specifications:

  • Material: High-Speed Steel (HSS)
  • Coating: Titanium Nitride (TiN)
  • Shank Type: Hex
  • Drill Ranges:
    • 4-12mm (5 steps)
    • 4-20mm (9 steps)
    • 4-32mm (15 steps)
  • Applications: Metal, plastics, wood, etc.

 

Features:

  • TiN coating for reduced friction and enhanced wear resistance
  • Multi-step design for versatile drilling ranges
  • Hex shank for a secure, quick-change connection
  • Straight flutes for efficient chip removal

Additional information

Flute

Straight flute

Manufacturing process

Fully ground

Material

HSS, HSS-CO, HSS-E, HSS-G

Shank type

1/4" quick-change hex shank, Hex shank

Surface treatment

Tin-coating

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