ROSCHEN GROUP
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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 |