Threaded Drill Rod Threaded Extension Rod With 1220 - 3660mm Length For Mining
Brand Name:MIROC Top Hammer Rock Drilling Tools
Certification:SGS
Model Number:Hex Extension rod
Minimum Order Quantity:10 Pieces Speed Rod
Delivery Time:25 days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Location:
Beijing Beijing China
Address:
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details
Company Profile
Product Details
Hex.25 Hex.28 Hex.32 Hex.35 drill rod threaded Extension rods for Granite, Basalt, Limestone rock
Product introduction
Basic Information
| Product Name | Threaded Drill Rod |
| Thread | R32 |
| Diameter | 32mm |
| Length | 1220-3660mm |
| Drill Rod Type | Hex Extension rod |
| Material | High strength alloy steel bar |
| Color | Black or based on customer requirements. |
Drill rod using R25 R28 R32 R38 T38 thread system.
With wrench flats to aid in coupling/decoupling of rods for extension drilling.
Used in benching and long hole drilling.
Drilling precision can be further improved by using this as the first rod in a normal drill string. Furthermore, since this is a speed rod design it will produce straighter holes and at least 10% higher penetration rate in good rock conditions compared to rod and coupling sleeve combination system
| Rods Dimension | Length | Driven Thread | Suitable Bits Thread | Drilling Hole Range | ||||
| M-M | M-F | |||||||
| mm | foot | mm | foot | mm | inch | |||
| Hex.25 | 915 ~ 3700 | 3 ~ 12 | 610 ~ 1220 | 2 ~ 4 | R25, R28, R32 | R25 | 33 ~ 51 | 1 19/64 ~ 2 |
| Hex.28 | 2100 ~ 4920 | 6 3/4 ~ 16 | 1220 ~ 3050 | 4 ~ 10 | R28, R32, R38 | R28 | 37 ~ 51 | 1 29/64 ~ 2 |
| Hex.32 | 2400 ~ 5530 | 7 7/8 ~ 18 | R28, R32, R38, T38 | R32 | 40 ~ 64 | 1 37/64 ~ 2 1/2 | ||
| Round32 | 915 ~ 4310 | 3 ~ 14 | 915 ~ 4270 | 3 ~ 14 | R32, R38, T38 | R32 | 45 ~ 64 | 1 3/4 ~ 2 1/2 |
| Hex.35 | 2670 ~ 6100 | 8 5/8 ~ 20 | 3700 ~ 6400 | 12 ~ 21 | R32, R38, T38 | R32 | 45 ~ 76 | 1 3/4 ~ 3 |
| Round39 | 610 ~ 6095 | 2 ~ 20 | 610 ~ 6095 | 2 ~ 20 | R38, T38, T45 | T38, T45 | 57 ~ 89 | 2 1/4 ~ 3 1/2 |
| Round46 | 1830 ~ 6095 | 6 ~ 20 | 1525 ~ 6095 | 5 ~ 20 | T38, T45, T51 | T45, T51 | 70 ~ 102 | 2 3/4 ~ 4 |
| Round52 | 3050 ~ 6095 | 10 ~ 20 | 1525 ~ 6095 | 5 ~ 20 | T45, T51 | T45, T51 | 76 ~ 127 | 3 ~ 5 |
Application
• Underground mining
• Tunneling, quarrying
• Granite, Basalt, Limestone rock, etc.
Advantages:
Compared with the oversea brands, our advantages are bellowing:
1. Our products can match over 95% against the original products
2. Price are competitive against the famous brands and best quality
against the small factory
3. Our factory has been specialized in manufacturing drilling tools
and spare parts for over 10 years.
4. We have advanced technology and equipment.
5. Our technician has more than 20 year’s professional working
experience.
6. Rock drilling tools are exported throughout the world. Main
market: Norway, USA, Canada, Brazil, Uganda, Iran, Philippines,
Thailand, India, etc.
Product Code System
Example:
Threaded Drill Rods:
DR22-H25-305-(1) (2)
DR = Threaded Drill Rod, Round Type
DRH = Threaded Drill Rod, Hex Type
ERH = Threaded Extension Rod, Hex Type
MF = Threaded Speed Rod, Round Type
22 = Drill Rod Diameter in mm
H25 = Thread System
305 = Effective Drill Rod Length in mm
(1) (2) = End Shank Options (if available)
Threaded Drill Rod Threaded Extension Rod With 1220 - 3660mm Length For Mining
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