carbide rod
ZhuZhou Up Cemented Carbide Co.,Ltd
Co Content: 6/8/9/10/12/15% ,Grain Size: 0.7/0.6/0.4/0.2um .Hardness: 91.8/92.2/92.5/93.2/94.1/94.0/89Hra for choose. Strength:3800/4000/4200/4500N/mm2 Type: 30° two spiral holes/solid rod. one hole rod/two straight holes