D918S Series Adopts
- Curved edge design-The chip performance is excellent and the machined hole wall is smooth.
- New G form flute design - Strengthens chip breaking performance and tool rigidity.
- Upgraded substrate and coating-Contributes to higher flexibility for various drilling conditions and better universality.
- Excellent adaptability to working conditions：Suitable for mild steel drilling, interrupted cutting, defective coolant condition and other severe working.
- Superior performance：New Curved edge design and G form flute design, balance tip strength、sharpness and chip breaking performance.
- 4 models
Test workpiece material is steel 45#, hardness 180HB, the drilling requirement is 20mm hole deep processing, use D918S-A3N-0870 specification drill.
Using the processing parameters of N=3000r/min，F=300mm/min, the tool life is 379% higher than Competitive products.
Test workpiece material is steel A3, the drilling requirement is 40mm hole deep processing, use D918S-A5N-0910 specification drill.
Using the processing parameters of N=2100r/min，F=252mm/min, the tool life is 113% higher than Competitive products.
Test workpiece material is stainless steel 316, hardness 180HB, the drilling requirement is 14mm hole deep processing, use D918S-A3C-0690 specification drill.
Using the processing parameters of N=2770r/min，F=180mm/min, the tool life is 134% higher than Competitive products.
Post time: 4月-11-2024