ROSCHEN GROUP
| Supply Ability | 1000000 pcs |
| Packaging Details | Steel Bundles |
| Name | Mayhew Junior Drill Rod |
| Type | Mayhew Junior Drill Pipe |
| Use | Water drilling |
| Drilling machine | Drilling rig |
| Size | 2 3/8 inch Mayhew Junior Drill Pipe |
| Specifications | 2 7/8 inch Mayhew Junior Drill Pipe |
| Model | Mayhew Jr Drill Pipe |
| Mayhew drill rod size | 2 - 7/8" Mayhew Junior Friction Welded Drill Rod |
| Series | Drill Pipe |
| Series type | api drill pipe threads |
| thread type | Mayhew Threads Drill Rods |
| Brand Name | ROSCHEN |
| Model Number | 2 3/8, 2 7/8", 3 1/2", 4", 4 1/2" |
| Certification | ISO |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Supply Ability | 1000000 pcs | Packaging Details | Steel Bundles |
| Name | Mayhew Junior Drill Rod | Type | Mayhew Junior Drill Pipe |
| Use | Water drilling | Drilling machine | Drilling rig |
| Size | 2 3/8 inch Mayhew Junior Drill Pipe | Specifications | 2 7/8 inch Mayhew Junior Drill Pipe |
| Model | Mayhew Jr Drill Pipe | Mayhew drill rod size | 2 - 7/8" Mayhew Junior Friction Welded Drill Rod |
| Series | Drill Pipe | Series type | api drill pipe threads |
| thread type | Mayhew Threads Drill Rods | Brand Name | ROSCHEN |
| Model Number | 2 3/8, 2 7/8", 3 1/2", 4", 4 1/2" | Certification | ISO |
| Place of Origin | CHINA | ||
| High Light | drill extension rod ，tapered drill bits | ||
2 3/8" Mayhew Jr Drill Pipe for Water well drilling Rig
Description:
. ACCURACY: Blueprint drawings are sent before order placement to guarantee the
customer receives the exact product. For custom orders, physical samples are also
offered.
. QUALITY: Utilizing an automated friction-welding process and CNC-machined tool joints
ensure a precision product every time. Checkout our friction-welder here.
. TRACEABILITY: Every joint of pipe is engraved with a unique reference number to
enhance customer service. This establishes 100% accountability of our products and
provides customer peace of mind.
| 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" | 2-19/32" | 3 | 4 | 3-3/8" | 29° Acme | 1 |
| 2 3/8 Winter Weiss | 2-3/8" | 3-1/4" | 2-35/64" | 3 | 4 | 1 1/2 | 60° Mod. API | 1 1/2 |
| 2 7/8 Winter Weiss | 2-7/8" | 3-7/16" | 2-35/64" | 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) | 1 11/16 | 1 11/16 | 1-3/8" | 1 | 6 | 3 | 29° Acme | 1 |
| 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 | .280/254 | 3 1/2 | 1 3/4 | 10, 15, 20 |
| 2-3/8 FEDP | 2 3/8 | .280/254 | 3 1/8 | 1 1/2 | 10, 15, 20 |
| 2-3/8 Mayhew Jr | 2 3/8 | .280/254 | 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 | .280/254 | 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 | .362/.478 | 5 1/2 | 2 1/4 | 10, 15, 20 |
| AWJ/AW w/Flats | 1 3/4 | .188/.250 | 1 3/4 | 5/8 | 5,10 |
| NWJ/NW w/Flats | 2 5/8 | .188/.250 | 2 5/8 | 1-1/4 or 1-3/8 | 5,10 |
| Tool Joint Connection | Mayhew JR, Mayhew Reg, 2-3/8" FEDP, 2-7/8" FEDP, AWJ, NWJ, 2-7/8" IF, 3-1/2" IF, 3-1/2" API Reg, 4-1/2" API Reg, 2-3/8" IF |
| Pipe OD | 2-3/8", 2-7/8", 3-1/2", 4-1/2", 5-1/2", 1-3/4", 2-5/8" |
| Pipe Wall Thickness | .190, .188, .250, .254, .276, .280, .337, .362, .368, .478 |
| Joint Length | 5', 10', 15', 20' |
| Breakout Tool | Flats, Lugs, None |
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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