Bicycle carbon steel ball

  We are professsional source steel ball factory.
Here mainly supply carbon steel ball, chrome steel ball and SS ball.
Bicycle steel ball in good quality is one of the main products.
Material:AISI1010,1015,1020
Size:1/8",3/16",5/32",5/16",1/4",7/32"...
Grade:G100,G200,G500,G1000.
Hardness:HRC58-62.
Surface:polished and mirror surface.