... steel,Stainless SteelDiameter3.5-6.3mm Length 6.5-200mm Finishwhite zinc plated, yellow zinc plated,plain,HDG,Dacromet,and so onHeadHex washer ... advance paymentPayment term T/T, WU,MG Applications Stainless steel plate, metal plate, galvanized steel, engineering, installationmetal curtain wall of metal light compartment ...