The advantage of the ground straight rods 1. Material: 100% virgin raw material with submicron grain size; 2. Grade: Various grades for choice; 3. With strict tolerance extent control, the tolerance can reach +/-0.01mm; 4. Precision Ground and polished; 5. Product Types available: Blank rods, ground rods, thread rods, rod with one hole; 6. High wear resistance, high hardness and impact toughness; 7. Advanced technology, automatic pressing, HIP sintering and precision grinding; 8. Having very good mechanical &chemical stability; 9. High quality & reasonable price & fast delivery & best service.