D918S High performance twist drill for steel
Suitable for Drilling mild Steel, Interrupted cutting, defective Coolant condition and other severe working conditions
 |
 |
 |
- Feature
- Application
- Application case
- Suitable for Drilling mild Steel, Interrupted cutting, defective Coolant condition and other severe working conditions
- Curved edge design , balance tip strength and sharpness
- New G form flute design, strengthens chip breaking performance and tool rigidity
- New substrate and upgraded coating, contributes to higher flexibility for various Drilling conditions and better universality
Specification
| Drills Series | Dimension Range | Coolant Type | Drilling Depth L/D |
| D918S-A3N | 3～20mm | External Coolant | 3D |
| D918S-A3C | 3～20mm | Internal Coolant | 3D |
| D918S-A5N | 3～20mm | External Coolant | 5D |
| D918S-A5C | 3～20mm | Internal Coolant | 5D |
Application
D918S Processing Case（Axis）
| Specification | D918S-A5N-1050 |
| Dimension | D10.5*71*118*d12 |
| Material | 42CrMo(HRC32) |
| Cutting speed | Vc=42.86m/min |
| Feed rate | fr =0.2mm/r |
| Cutting depth | ap=35mm |
| Cooling method | External Coolant |
| Cutting method | Horizontal processing
、pecking |
