drywall Screws Material:1022 surface:black,grey FOB Price:Get Latest PricePort:Shanghai or TianJinMinimum Order Quantity:Supply Ability:800 Ton/Tons per MonthPayment Terms:T/TCustom Order:Place Orderdrywall Screws Material:1022 surface:black,grey Specification:philip bugle head,black,grey hosphated fine,coarse threaded