HSS Counterbore Drill Bit Set

High-speed steel counterbore set conforms to DIN 373 standards and is suitable for M3 to M10 screw sizes. The two-flute design ensures faster, smoother cutting, while the stepped construction allows creation of varying diameter holes with a single bit.

B003 Step Drills - Image 1

Technical Specifications

Product Overview

High-Performance HSS Counterbore Set

This 6-piece HSS Counterbore Drill Bit Set is designed for professional-grade precision in creating through holes for screw sizes M3 to M10. Manufactured according to the DIN 373 standard, these bits feature spiral flutes ground by CBN to ensure a quiet, smooth cut and high cutting performance. This versatile set is ideal for applications requiring clean, accurate finishes in various materials.

Technical Specifications

Standard

DIN 373

Set Composition

6 PCS
Pieces per Set

Material
High-Speed Steel (HSS)
Flute Design
Spiral flute ground by CBN

Capabilities

Screw Size Range
M3 to M10
Hole Type
Through HoleCounterbore

Key Features

Performance Benefits

  • Quiet cutting operation due to CBN ground flutes
  • High cutting performance for efficient drilling
  • Precise hole sizing for industrial applications
  • Laser-etched sizes for easy identification

Applications

Industry Applications

  • Electrical
  • Plumbing
  • HVAC

Suitable Materials
Sheet MetalPlasticWood

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