Product Details:
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| Type: | Drilling Tools | Machine Type: | Pneumatic And Hydraulic Rock Drill |
|---|---|---|---|
| Steel Grade: | 95CrMo Equivalent ~ SANDBAR 20 Or C253, 55SiMnMo | Processing Type: | Forging |
| Use: | Coal Mining |
We manufacture shank rods in the following threads: R22, R23, R25, R28, R32.
Shank rod 's shank size is 22 x 108mm, and drill rod end connect bit with thread way.Normally R22,R25,R32 for small hole. We manufacture shank end rods in the following threads:R22, R23, R25, R28, R32 mainly focus the stone quarrying such as granite, marble, limestone, sand stone quarries drilling , diameter of hole range from 38mm-50mm at most,
Prodrill use the following special heat treament techology to process
- Carburization is a process used to harden the entire rod surface both internally and externally to
strengthen and extend the life of the rod.
- High Frequency Induction is a process where only the thread ends of the rod are hardened to lengthen
thread life.
Shank rods specification.
| Shank size | Length in mm | Thread type | Part number |
| 22X108 | 250 | R25 | 0714 0250-R25 |
| 22X108 | 400 | R25 | 0714 0400-R25 |
| 22X108 | 1830 | R25 | 0714 1830-R25 |
| 22X108 | 2440 | R25 | 0714 2440-R25 |
| 22X108 | 3050 | R25 | 0714 3050-R25 |
| 22X108 | 250 | R28 | 0714 0250-R28 |
| 22X108 | 400 | R28 | 0714 0400-R28 |
| 22X108 | 1830 | R28 | 0714 1830-R28 |
| 22X108 | 2440 | R28 | 0714 2440-R28 |
| 22X108 | 3050 | R28 | 0714 3050-R28 |
| 22X108 | 250 | R32 | 0714 0250-R32 |
| 22X108 | 400 | R32 | 0714 0400-R32 |
| 22X108 | 1830 | R32 | 0714 1830-R32 |
| 22X108 | 2440 | R32 | 0714 2440-R32 |
| 22X108 | 3050 | R32 | 0714 3050-R32 |
| 25X108 | SAME L. | R25-R32 | 0734 XXXX-RXX |
