Product Name: DIN6334 Long Hex Coupling Nut Model NO.: SW-N001 Grade: 4.8 Standard: DIN, GB Head Style: Hexagonal Connection: Common Bolt Type: Hexagon Head Material: Carbon Steel Delivery Time: 25-30 Days Trademark: no mark Transport Package: Bulked Packing Specification: all the sizes Origin: China Product Description Name:DIN6334 long hex coupling nutStandard:DIN, IFI, ISO, JIS, AS,BS, EN, SAE,ASTMMark:According to customer's requirement.Materials:Carbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20) ,Stainless steel(303,304,304L,316,316L),Brass(H59,H62)Grade:Gr.2,5,8,10, 2H, DH, /8/ etcThread:Thread:UNC, UNF, UNEF, M, BSW, BSF, TR, ACME, NPTSurface Finish:Plain, Zinc plated,Passivated, Nickle plated, H.D.G., Black Oxided, Dacromet,Geomet,etc.Production Technique :Cold foging,Hot forming,Machining,Heat treatment,etcQuality:Top high qualityAnticorrosive Performance:Salt Spray Test Reach 1000-2000 HoursApplication:Marchinery, Chemical Industry, Environmental,BuildingCertification:ISO9001:2008Packing:Cartons& pallets or according to customer's requirement.Delivery time:Normally in 30-40 days.Export Markets:GlobalPlace of Origin:Zhejiang, China (Mainland)MOQ:500 pieces