| Standard |
AISI |
| Grade |
Gcr15 |
chrome steel ball 1.material:Gcr15 2.accuracy:G10-G1000 3.Diameter:1mm-50mm 4.hardness:HRC60 5.priduct standard:GB308-2002. 6.using widely used in precision bearing, rolling screws, precision machinery and card. our company has advanced production equipment, perfect testing instruments.with its highly sophisticated equipment, we carry out product testing such as roundness testing, vibration testing,ball gauge testing, surface quality testing, hardness testing etc...