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Drill rod using T51 thread system. With wrench flats to aid in coupling/decoupling of rods for extension drilling. Used in benching and long hole drilling.
Specification:
T38 Extension Rod
( T38-Round39-T38, Flushing hole 14.5mm ,Wrench flat 32mm)
| Length | Diameter | Weight | Part Number | ||
| mm | foot | mm | inch | kg | |
| 1220 | 4 | 39 | 1 1/2 | 10.2 | 4148300772 |
| 1525 | 5 | 39 | 1 1/2 | 12.8 | 4148300773 |
| 1830 | 6 | 39 | 1 1/2 | 15.3 | 4148300774 |
| 2435 | 8 | 39 | 1 1/2 | 20.4 | 4148300775 |
| 3050 | 10 | 39 | 1 1/2 | 25.5 | 4148300776 |
| 3660 | 12 | 39 | 1 1/2 | 30.9 | 4148300777 |
| 3965 | 13 | 39 | 1 1/2 | 33.2 | 4148300778 |
| 4270 | 14 | 39 | 1 1/2 | 35.7 | 4148300779 |
| 4880 | 16 | 39 | 1 1/2 | 41.0 | 4148300780 |
| 5530 | 18 1/7 | 39 | 1 1/2 | 46.3 | 4148300781 |
| 6095 | 20 | 39 | 1 1/2 | 50.9 | 4148300782 |
Applications of rock drilling tools
• Underground mining
• Tunneling,quarrying
• Granite, Basalt, Limestone rock etc.
Competitive Advantage
• High grade raw material
• Manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Production Process:
1. Raw material 2. Making bits body 3. Making bit face 4. Heat-treatment 5. Package.
Product Pictures:
