1. Material: CROWN 950, Special material from BAOSTEEL, better concentricity & straightness.2. Steel Grade: S135
3. Heat treatment: multi-point temperature measurement to guarantee perfect match between strength and toughness.
4. Nitrogen Process: only one manufacturer to use surface nitrogening on the whole drill rod, except longer the working life of thread, but also extend the service time for the body part.
5. Quality controll: All the processes during manufacturing.
6. Manufacture Model: Forged and Friction welding rod.
7. Compatible Brand: Vermeer, Case, Ditch Witch and other Chinese models.
8. MOQ: 1 PCS.
9. Delivery Time: Large stock, ready to ship.