... ,5/32,3/16,7/32,1/4,5/16 copper plated steel balls G10 G16 G100 G1000 AISI52100 chrome steel 1/16,3/32,1/8,5/32,3/16,7/32,1/4,5/16 copper coated ... steel balls mild steel ball 1. Material: AISI1045-10852. Grade:G100 to G10003. Size: 1/8" 5/32" 3/16" 5/16" 5/32" 7/32" 1 ...