Set of 19 Helical Cylindrical Drills in HSS, Ground by Beta
Set of 19 high-speed steel (HSS) helical drills, ground for precision drilling. Sizes Ø 1 to 10 mm in 0.5 mm increments to cover a wide range of applications. Hardness HV ≈ 750 to 820 and specification R ≤ 800 N/mm² for good wear resistance on medium-strength materials, compliant with DIN 338 standards.
Design and Materials
- Ground high-speed steel (HSS) for a sharp cutting edge and prolonged sharpening retention.
- Set of 19 drills covering Ø 1 to 10 mm in 0.5 mm increments to provide common sizes without missing holes.
- Hardness HV ≈ 750 to 820 offering better wear resistance during repeated use.
Usage and Performance
- Limit R ≤ 800 N/mm² suitable for drilling common medium-strength materials.
- DIN 338 compliance ensuring standardized geometry and easy mounting on common chucks.
Benefits
- Complete set of 19 drills, practical for building or completing a workshop tool assortment.
- OEM reference 004120419