FLANGE HEXAGON NUTS:
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..