| Condition | New |
| Type | Internal Grinding Machine |
| CNC or Not | CNC |
| Place of Origin | Shaanxi, China |
| Brand Name | HJMT |
| Model Number | SK7620B |
Main specifications
Max. chuck diameter 300mm
Max. length of work piece 200mm
Center height 200mm
Thread diameter ground 25~200mm
Max. thread length ground 125mm
Pitch ground metric 0.5-24mm
Britain 3-40 teeth/inch
Max. helix angle ground R 12° L 12°
Number of starts ground 1-45(free)
Rotary speed of work piece 0.2-100rpm
Max. rotary speed of wheel spindle 24000rpm
Grinding wheel size
Max. diameter 100mm
Min. diameter 20mm
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