Shanghai Welfast Enterprise Co., Ltd.


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Cap screws; Hex bolts; Carriage bolts; Guardrail bolt; U bolts; V bolts; bent anchor bolts; Special bolts; non-standard bolts; Hexagon nuts; Nylon Lock nuts; Flange nuts; Coupling nuts; Stainless Steel Anchors; Stainless Steel Bolts; Stainless Steel Nuts; Stainless Steel washers and stamped Parts; Stainless Steel Threaded rod, Stud; Flat washers DIN SAE USS; Other washer; Thread rods; Wood screws; Din 571; DIN 931-2; stainless steel hex bolt; washer.
Product Description
  • flange hexagon nut


    Product Detail:


    1) Standard of Hex nuts: DIN, ANSI/ASME, BS, KS, JIS, Non-standard. 

    2) Material of Hex nuts: Carbon steel, stainless steel, brass 

    3) Grade of Hex nuts: From grade 4 to 12, ANSI: Grade2--grade10. 

    4) Dimension of Hex nuts: M3-M20

    5) Surface treatment : Zinc-plated(galvanized, can be white,blue,yellow),Hot dip galvanized ,,

         Electro Galvanized , Green Passivation,Dacromet,Teflon

    6) Packing: In bulk of bag /small box+ carton+plate for shipment 

    7 ) Standard of Certificate:ISO 9001-2008 

          ISO Cer NO.:BV-310356

    Shanghai Welfast Enterprise provide high-quality fasteners according to standard DIN , ISO

    ANSI/ASME, IFI, ASTM, BS,AS/NZS,JIS,KS as well as special fasteners at customers' requirement. 

    We are supplying bolts,nuts,washers,thread rods and so on .At present, materials involve carbon steel,alloy steel ,stainless steel ,etc.. 

  • carbon steel U bolt


    Product Detail:

    U Bolt nut :

    1.Material:Carbon/Alloy/Stainless Steel, Brass etc 

    2.Size: M5-M36 or 1/4"-2 1/2" 

    3.Finish:Zinc,H.D.G ,black 

    4.Thread:M, UNC, UNF 

    5.Grade: 4.8 6.8 8.8 10.9 12.9, SAE J429 Gr2, 5, 8 

    6.Packing: Carton, Box, Bag, Pallet or to order 

    7.For non-standard U bolt,your drawing or samples will be available for us 

  • Hexagon wood screws


    Product Detail:

    hexagon wood screws

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