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.




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
Set Composition
- 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

