Geologic Drill Rod and Coupling
Minimum Order: 0
Quality/Safety Certification: 0.00
Adopts special geological steel and advanced friction welding method.
For keeping linear effect during heading road, it adopts special geological steel and advanced friction welding method with following features: high strength, super bend-resistance strength, stable welding, long service life, etc.
With the material of top quality alloy that passed heat treatment, the connector has features of powerful weariness-resistance and top shear-resistance. All the machining equipments are advanced numerical control lathe with top efficiency and quality.
Specification | |
Bore hole Diameter | φ32,φ42,φ50,φ63.5,φ73 |
oupling Dimension | standard rectangle screw thread |