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 |
For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com