Hex Flange Nut PARAMETERS Product name Carbon Steel Hex Flange Nuts Factory Brand Name Wenzhou Yuanzhi Auto parts Model Number YZ-nuts-014, custom Hexagon Heavy Nuts Material  C70, 65Mn,Carbon Steel, Alloy Steel, Stainless Steel, Brass, or as OEM required Hexagon Nuts Grade 4, 8, 10, 12, AISI 2, AISI 5, AISI 8 or as required Finish Self Color, Plain, Zinc Plated ( Clear/Blue/Yellow/Black ), Ni-plated, Passivated, Polish, Black Oxide, Nickel, Chrome, Hot Deep Galvanize(H. D. G. ), etc Standard GB, DIN, ISO, ANSI/ASTM, B7, BS, BSW, JIS etc Size #6-3/4''; M5-M20 or non-standard as request & design Heat Treatment Tempering, Carburizing, Spheroidizing, Annealing, Quenching, etc Test Instrument Caliper, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detector and etc Certification ISO 9001:2015, IATF 16949:2016, ISO 1400:2015 MOQ Small order can be accepted, Hex Flange Nut factory Loading Port Ningbo , Shanghai Payment term 30% deposit in advance,70% before shipment,100% TT in advance Sample YES Delivery Time Enough stock or strong production capacity ensure timely delivery Packaging 100,200,300,500,1000PCS per bag with label,export standard carton, or according to customer special demand Design ability We can supply sample, OEM&ODM is welcome