... ,10 Class, Hardness: HRC26-36, fully hardened and tempered to match bolt strength.We also produce 12 ... can inquiry us by Sizes, OEM Numbers, Drawings and samples. Customer should advice us the quantity per ... s advanced payment or L/C according to quantity and items.Web site:http://www.carelong.com.cn. ... } ); } )(); manufacturer steel fasteners/ standard hex bolt/wheel bolt for auto and constraction