... ,9/16,5/8,3/4 copper plated steel balls G10 G16 G100 G1000 1/16,3/32,1/8,5/32,3/16,7/32,1/4,5 ... /16 11/32,3/8,15/32,29/64,31/64,1/2,9/16,5 ... /8,3/4 copper ... 58-62 AISI 10150.13~0.180.10~0.300.30~0.600.04Max********AISI 10450.43~0.500.10~0 ... .900.04Max0.05MaxAISI 10850.83~0.880.10~0.300.30~0.700.04Max0.04Max