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Drill rod using thread system.thread system , With wrench flats to aid in coupling/decoupling of rods for extension drilling. Used in benching and long hole drilling.
Product Basic Information:
Product Name: | Extension Rod |
Thread | R38 T38,T45,T51 |
Diameter | 39mm-52mm |
Length | 1220-6095mm |
Material: | High strength alloy steel |
Type | Round and Hex |
Color | Black or based on customer requirements. |
MOQ: | No MOQ required for testing and trial order |
T38 extension rod Specification:
| THREADED ROCK DRILLING TOOLS - T38 Extension Rod | |||||||
| Drill rod | Length | Diameter | Weight | Part Number | |||
| mm | foot | mm | inch | kg | |||
| Extension rod, T38-Round39-T38 | 1220 | 4 | 39 | 1 1/2 | 10.2 | 4148300772 | |
| Flushing hole 14.5mm | 1525 | 5 | 39 | 1 1/2 | 12.8 | 4148300773 | |
| Wrench flat 32mm | 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:
• Underground mining
• Tunneling,quarrying
• Widely used in benching, and long hole drilling
Production Process:
1. Raw material 2. CNC milling and proprietary heat treatment process 3. Inspection 4. Package.
Competitive Advantage:
High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance.
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available at any time
c. Free replacement will be provided once the failure confirmed caused by our product quality
