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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
MOQ : Negotiable
Price : USD10-50
Supply Ability : 100 pcs per day
Packaging Details : Wooden packaging
Product name : Drill Extension Rod
Processing type : Casting
Machine type : Drilling Tool
Use : Coal Mining,quarry
Material : Carbon Steel,Carbide
Advantage : High Strength
2 - 7/8" Mayhew Junior Friction Welded Drill Rod with 2 - 3/8" REG
Introduction
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.
Parameters
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 |
Pictures
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2 3/8" REG Mayhew Junior Friction Welded Drill Rod For Blast Hole Images |