TIGES et OUTILS DE FORAGE : une table pour comprendre le filetage
Drill rods usually comes with a variety of threads.
Here is a drill Rod Thread Information Table that can help you for the choice of your drill bit
Conventional drill rods are available in mid-weight steel and or aluminum providing you with ergonomic flexibility which will improve your handling capabilities under the most strenuous of conditions. Rod threads for mineral exploration applications are typically WJ type threads, and are used with conventional style core barrels.