1)Size:M5-M20 1/4''-5/8''Length:3/8''-12''

2)Standard:DIN UNC/UNF BSW JIS ISO

3)Grade:Carbon Steel:4.8 6.8 8.8 10.9 12.9Stainless Steel:SS200 SS304 SS312SS316   Copper

4)Finish:Galvanized(Zinc-Plated) HDG  Mechanical plating   Dacromet

My factory is professional manufacture in China.We supply(Bolts,ThreadBar,Wooden Screw,Anchor Furniture Screw,Nuts,Washer and Non-standard Parts) Ifyou are interested in these products,Pls don't hesitate to contact me.I am notonly a sales man,but also a worker.So we may discuss about some professionalknowleadge.Haiyan is also the family of fastener,wesurvive on quality andreputation.Sincerely look forward tocooperation with every country theworld

Haiyan High Strength Fastening Parts Co.,Ltd has grown rapidly over the last23 years(Since 1987) to become a reputable supplier of quality fastener.Ourexperience in making lathe-made and cold forging fastener has established us asa most reliable supplier of various types of fasteners.

Today,our customer base has grown to sonsist of hundreds of both domesticChina and foreign companies,including some renowned global corporate in theirvarious of programs as an approved vendor.

We arean import and export right with a twenty-five years old factories, the exportrate of more than 85%