Carbon Steel hex nut 1.Delivery time: 45days 2.OEM: manufacturer 3.Sandard: DIN,ANSI 4.Certification:ISO9001:2008 1) SpecificationsCarbon Steel hex nut 1.Delivery time: 45days 2.OEM: manufacturer 3.Standard: DIN934, ISO4032, ANSI4.Certificate: ISO9001:2008Carbon Steel hex nutSpecification1. Standard: DIN, ANSI B18.2.1and ISO standard. 2. Material: Carbon steel.3. Grade of hex nut: Grade 4.8, ...