8.06mm China Suppliers Manufacturing SUS Unhardened Carbon Steel Balls for Bicycle and Automotive Components Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：AISI1010 AISI1015 G100 Bicycle 19mm 19.05mm 6.35mm Low Carbon Steel Ball Next：1/32 1/8 3/8 1/4 5/32 3/8 1/2 Inch Solid Carbon Steel Ball AISI1010-AISI1015
