- Mining Machinery Parts[6]
- Drill Bit[6]
- Farm Machinery Parts[1]
- Other Mining Machinery[6]
- Metal Processing Machinery Parts[5]
- Drilling Machine[1]
- Other Tools[6]
- Steel Pipes[1]
- Tool Parts[1]
- Digging Tools[1]
- Other Mechanical Parts[1]
- General Mechanical Components Design Services[1]
- Mining Feeder[2]
- Drilling Rig[5]
- Contact Person : Ms. huang amanda
- Company Name : Linqing City Ruilong Drill Co., Ltd.
- Tel : 86-0635-2365192
- Fax : 86-0635-2365191
- Address : Shandong,linqingshi,Chenfen Villahe,ling City
- Country/Region : China
- Zip : 252600
underground coal mining drill rod
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1. underground coal mining drill rod introduction
1.high strength 2.coarse pitch 3.high elastic 4.rigid 5.high efficiency
2. underground coal mining drill rod
New type coal drill rod Material: seamless pipe, T-shape strip steelCraft: prestressed wire winding, welding. Features: 1. 45% lighter than the old type spiral drill rod; 2. Quick drilling3. Less stive, clear hole forming4. Long lifetimeTypes: single spiral, double spirals; with drainage hole type and w/o drainage hole type. Connection type: spring pin; thread
3. underground coal mining drill rod parameter
| Specifications and Size (mm) | Torque(N.m) | Connection type | |||
| Dia. (spiral+tube) | Tube dia. | Length | Connector | ||
| 26 | 16 | 500~3000 | M16×1.5 | 100~150 | Thread |
| 28 | 16~18 | 500~3000 | F12/M18×1.5 | 100~150 | Square shank/thread |
| 30 | 16~18 | 500~3000 | F12/M18×1.5 | 100~150 | Square shank/thread |
| 32 | 18~22 | 500~3000 | F12/M16×1.5 | 100~250 | Square shank/thread |
| 38 | 21~22 | 500~3000 | F14/Tr16 | 150~350 | Square shank/thread |
| 40 | 21~22 | 500~3000 | F14/Tr16 | 150~350 | Square shank/thread |
| 42 | 21~22 | 500~3000 | F14/Tr16 | 150~350 | Square shank/thread |
| 45 | 25~27 | 500~3000 | F18/Tr19 | 350~450 | Square shank/thread |
| 55 | 25~27 | 500~3000 | F18/Tr19 | 350~450 | Square shank/thread |
| 65 | 25~27 | 500~3000 | F24/Tr19 | 350~450 | Square shank/thread |
4. underground coal mining drill rod photo
5.coal drill rod photo certification
underground coal mining drill rod
