Carbon Steel Hex head Nuts Namescrew,nut,bolt,rivet,hardwareMaterialStainless steel,carbon steel/copper/bronze/brassDiameter1/8"-3/8",M3-M12GradeClass4.8,Class 6.8, Class 8.8, Class 10.9, Class 12.9sizem6*45 any size is availiablePortDalang,Dongguan,GuangdongProcessing wayaccording to buyer's samples or drawingsPayment TermsL/C,D/A,D/P,T/T,Western Union,MoneyGram,PaypalDelivery Time20 working days after confirmed the sample and received the deposit.Quality authenticationISO 9001:2008 , ROHSpackagingCarton package with the inner polybag pack and stripe pack on the surface, or pallet package.Minimum Order Quantity50,000 piecesthread typemetric/typeA /typeBapplicationchemical industry,petroleum industry, construction industry,etc.length5-160mm, 1/5"-63/10"MarketDomestic,South&north Amrica,Europe,East&South east Asia, Australia and ect.Purchasing NoticePlease lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to usFor more information visit:www.teeson.com.cn