 
            | Surface Treatment | Heat Treatment, Phosphating, Galvanizing | 
| Machine Type | Drilling Tool | 
| Diameter | 20-50 mm | 
| Sizes | 73mm | 
| Weight | 1.5-10 kg/m | 
| Tensile Strength | ≥ 1080 MPa | 
 
          | Surface Treatment | Heat Treatment, Phosphating, Galvanizing | 
| Machine Type | Drilling Tool | 
| Diameter | 20-50 mm | 
| Sizes | 73mm | 
| Weight | 1.5-10 kg/m | 
| Tensile Strength | ≥ 1080 MPa |