ROSCHEN GROUP
| Supply Ability | 100000000 pcs |
| Packaging Details | wooden box, steel bundles |
| Brand Name | ROSCHEN |
| Model Number | 2-3/8" , 2 7/8" |
| Certification | ISO |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Supply Ability | 100000000 pcs | Packaging Details | wooden box, steel bundles |
| Brand Name | ROSCHEN | Model Number | 2-3/8" , 2 7/8" |
| Certification | ISO | Place of Origin | CHINA |
| High Light | Mayhew Junior 2 3/8" Drill Pipe ，S135 Drilling rod pipe ，Water Well Drilling rod | ||
Mayhew junior (jr) 2 3/8" drill pipe of factory supply low price
Mayhew Junior (jr) 2 3/8" Drill Pipe of Factory Supply Low Price for Water Well Drilling
Drill pipe is designed to allow the introduction of a drilling fluid or air to the bit and to provide the mechanism to transfer energy developed by the drill motor to the bit.
The correct selection of drill pipe, in most instances, determine how successful you are and what options you have as far as depth, bore hole size, and push and pull down ability.
The selection of drill pipe is one of the most important decisions mainly due to cost and rig capability.
Below is a breakdown of what the most popular drill pipes are and their benefits.
Mayhew Jr (Junior) drill pipe engineered with weld on joints
NC26
2-7/8" IF modified drill pipe:
2-7/8" FEDP drill pipe:
3-1/2" API drill pipe:
Specification:
Product: Mayhew junior Friction Welded drill rods, dth drill pipe
1, Size: 2-3/8"(60mm)---5" (127mm)
2, Steel grade: E75 X95 G105 S135
3, Tool connection: 2-3/8" API Reg pin & box,2-7/8"IF,3-1/2"IF, 4"FH,mayhew jr 2 3/8......
Others Mayhew Junior Rods spec:
| Mayhew Junior Rods Specifications | |||||
| Description | Pipe OD | Pipe Wall | Connection OD | Connection ID | Length(ft) |
| 2-3/8 IF Flush | 3 1/2 | 0.375 | 3 1/2 | 1 3/4 | 20 |
| 2-3/8 IF | 2 3/8 | 1.102 | 3 1/2 | 1 3/4 | 10, 15, 20 |
| 2-3/8 FEDP | 2 3/8 | 1.102 | 3 1/8 | 1 1/2 | 10, 15, 20 |
| 2-3/8 Mayhew Jr | 2 3/8 | 1.102 | 3 | 1 1/2 | 10, 15, 20 |
| 2-3/8 Mayhew Jr | 2 3/8 | 0.19 | 2 3/4 | 1 1/2 | 5, 10 |
| 2-7/8 Mayhew Jr Pipe Flush | 2 7/8 | 0.362 | 2 7/8 | 1 1/2 | 10, 15, 20 |
| Mayhew Reg. Flush | 3 1/2 | 0.375 | 3 1/2 | 1 1/2 | 20 |
| Mayhew Reg. | 2 3/8 | 1.102 | 3 1/2 or 3 1/4 | 1 1/2 | 10, 15, 20 |
| 2-7/8 IF | 4 1/2 | 0.337 | 4 1/8 | 2 1/2 | 10, 15, 20 |
| 3-1/2 IF | 5 1/2 | 0.362 | 4 3/4 | 2 11/16 | 10, 15, 20 |
| 3-1/2 API Reg Flush | 4 1/2 | 0.337 | 4 1/2 | 1 1/2 | 10, 15, 20 |
| 4-1/2 API Reg Flush | 5 1/2 | 0.757 | 5 1/2 | 2 1/4 | 10, 15, 20 |
| AWJ/AW w/Flats | 1 3/4 | 0.752 | 1 3/4 | 5/8 | 5,10 |
| NWJ/NW w/Flats | 2 5/8 | 0.752 | 2 5/8 | 1-1/4 or 1-3/8 | 5,10 |
Drill rods up to 152 mm (6 ″) diameter feature friction welded tool joints, giving great strength to the rod.
Drill rods are manufactured up to 406 mm(16") diameter and up to 9.5 metre effective length.
All drill rods feature nitrided threads for extra wear resistance.
| Name | A | B | C | D | E | F | G | H |
| TOOL JOINTS:1 | ||||||||
| 2 3/8 API Regular | 2-3/8" | 3-1/8" | 2-5/8" | 3 | 5 | 3 | 60° API | 1 |
| 2 7/8 API Regular | 2-7/8" | 3 3/4 | 3 | 3 1/2 | 5 | 3 | 60° API | 1 1/4 |
| 3 1/2 API Regular | 3 1/2 | 4 1/4 | 3 1/2 | 3 3/4 | 5 | 3 | 60° API | 1 1/2 |
| 4 1/2 API Regular | 4 1/2 | 5 1/2 | 4-5/8" | 4 1/4 | 5 | 3 | 60° API | 1 1/4 |
| 2 3/8 API Internal Flush | 2-3/8" | 3-3/8" | 2-7/8" | 3 | 4 | 2 | 60° API | 1 3/4 |
| 2 7/8 API Internal Flush | 2-7/8" | 4-1/8" | 3 25/64 | 3 1/2 | 4 | 2 | 60° API | 2-1/8" |
| 3 1/2 API Internal Flush | 3 1/2 | 4 3/4 | 4 1/64 | 4 | 4 | 2 | 60° API | 2 11/16 |
| 2 3/8 Mayhew Junior | 2-3/8" | 2 3/4 | 2 21/64 | 2 1/4 | 4 | 2 | 60° Mod. API | 1 1/2 |
| 2 3/8 Mayhew Regular | 2-3/8" | 3 1/4 | 2 35/64 | 3 | 4 | 1 1/2 | 60° Mod. API | 1-5/8" |
| 2 7/8 Mayhew Full Hole | 2-7/8" | 3 3/4 | 3 3/64 | 3-3/8" | 4 | 1 1/2 | 60° Mod. API | 2 |
| 2 3/8 Failing Exploration | 2-3/8" | 2 31/32 | 2 1/2 | 2 3/4 | 4 | 2 | 60° Mod. API | 1 1/2 |
| 2 7/8 Failing Exploration | 2-7/8" | 3 3/4 | 3-1/8" | 3 1/4 | 4 | 2 | 60° Mod. API | 1-7/8" |
| 2 3/8 Hughes Acme Regular | 2-3/8" | 3-1/8" | 219/32 | 3 | 4 | 3-3/8" | 29° Acme | 1 |
| 2 3/8 Winter Weiss | 2-3/8" | 3 1/4 | 235/64 | 3 | 4 | 1 1/2 | 60° Mod. API | 1 1/2 |
| 2 7/8 Winter Weiss | 2-7/8" | 37/16 | 235/64 | 3 | 4 | 1 1/2 | 60° Mod. API | 1 1/2 |
| 3 1/2 API Full Hole | 3 1/2 | 4-5/8" | 4 | 3 3/4 | 5 | 3 | 60° Mod. API | 27/16 |
| FLUSH JOINT TAPERED THREAD | ||||||||
| United Geophysical (1 11/16 OD) | 111/16 | 111/16 | 1-3/8" | 1 | 6 | 3 | 29° Acme | 1 |
Drill rods up to 152 mm (6 ″) diameter feature friction welded tool joints, giving great strength to the rod.
Drill rods are manufactured up to 406 mm(16") diameter and up to 9.5 metre effective length.
All drill rods feature nitrided threads for extra wear resistance.
Standard drill rod lengths are 1M; 1.5M; 2M; 3M; 5M and 6M.
Other sizes and dual wall rods for reverse circulation systems and jet grout applications can be manufactured to suit your requirements.
Spanner Flat details can be agreed when ordering.
Packaging & Shipping
1. The drill pipes will be packed into bundles as 3x3, 3x4, 4x4 etc. and loading into containers after black painting and thread protectors installation.
2. For 20' container, the max loading weight is 21 metric tons
3. For 40' container, the max loading weight is 27 metric tons
Usage Note:
New drill pipe should be pasted thread oil before connection
Make up and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to clients' special requirements
ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
http://www.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com
http://www.explorationcoredrilling.com
http://www.roschen.net
http://www.roschen.cn
http://www.roschen.com
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1921
Total Annual:
5000-2000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine... ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine...
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