steel ball, copper coated 1. Material: AISI1010/1015/1045/1085 steel ball copper coated 2. HRC: 55-65 3. Model: 4.763 mm

steel ball, copper coated

Yun cheng Dong sheng Steel Balls Co., Ltd , We are professional steel ball manufactory.

1. Material: AISI1010/1015/1045/1085 steel ball copper coated

2. HRC: 55-65

3. Model: 4.763 mm

4. Color: copper coated

5. ISO 9001:2008 certificate

6. Packing: According to customer's request

4.763mm coppered steel ball