ROSCHEN GROUP
| Supply Ability | 100 pcs per day |
| Packaging Details | Wooden packaging |
| name | Mayhew junior drill rod |
| size | Mayhew jr drill pipe |
| spec. | beco thread dimensions |
| thread standard | Drill Pipe Thread Identification Chart |
| type | Drill Pipe with Beco thread |
| drilling machine | Drilling Equipment |
| Tools | Blast Hole Tooling |
| Drill | Down the hole drilling |
| Use | Blast hole drilling |
| series | beco thread drill rod |
| Brand Name | ROSCHEN |
| Model Number | 2-3/8" 2-7/8" 2-7/8" 2-7/8" 2-7/8" 3-1/2" 3-1/2" 3-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" |
| Certification | ISO |
| Place of Origin | Germany |
View Detail Information
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Product Specification
| Supply Ability | 100 pcs per day | Packaging Details | Wooden packaging |
| name | Mayhew junior drill rod | size | Mayhew jr drill pipe |
| spec. | beco thread dimensions | thread standard | Drill Pipe Thread Identification Chart |
| type | Drill Pipe with Beco thread | drilling machine | Drilling Equipment |
| Tools | Blast Hole Tooling | Drill | Down the hole drilling |
| Use | Blast hole drilling | series | beco thread drill rod |
| Brand Name | ROSCHEN | Model Number | 2-3/8" 2-7/8" 2-7/8" 2-7/8" 2-7/8" 3-1/2" 3-1/2" 3-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" 4-1/2" |
| Certification | ISO | Place of Origin | Germany |
| High Light | 2 - 7/8" Drill Rod ，2 - 3/8" REG Drill Rod ，mayhew junior drill rod | ||
2 - 7/8" Mayhew Junior Friction Welded Drill Rod with 2 - 3/8" REG
Mayhew Junior Friction Welded Rods
Roschen manufacture drill rods from seamless tubing and hardened & tempered alloy steel tool joints.
All our tool joints are pre-machined and heat treated before final machining to ensure accuracy.
All threads are gauged to international standards to ensure interchangebility on existing rods irrespective of supplier.
We manufacture a wide variety of rods which include conventional, RC and aircore flush.
Our drill rods can be supplied in a variety of different threads which include Remet, Metzke, Api, ARD, Api internal flush, Junior Mayhew and so forth.
We also manufacture stainless steel RC rods.
| Mayhew Junior rods pin to box Friction Welded | |||
| O.D. | Wall Thickness | Length | Thread |
| 2-3/8" | .254" | 20" | 2-38" IF |
| 2-7/8" | .308" | 5" | 2-3/8" MAYHEW JR. |
| 2-7/8" | .362" | 5" | 2-3/8" MAYHEW JR. |
| 2-7/8" | .308" | 10" | 2-3/8" MAYHEW JR. |
| 2-7/8" | .362" | 10" | 2-3/8" MAYHEW JR. |
| 3-1/2" | .250" | 20" | 2-3/8" IF |
| 3-1/2" | .368" | 20" | 2-3/8" IF |
| 3-1/2" | .368" | 20" | 2-3/8" IF |
| 4-1/2" | .337" | 5" | 3-1/2" API |
| 4-1/2" | .337" | 10" | 3-1/2" API |
| 4-1/2" | .337" | 20" | 2-7/8" IF |
| 4-1/2" | .337" | 20" | 2-7/8" IF |
| 4-1/2" | .337" | 20" | 2-7/8" IF |
| 4-1/2" | .337" | 20" | 3-1/2" API |
| 4-1/2" | .337" | 20" | 3-1/2" API |
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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