Heavy Strength Hexagonal Structure Bolts(GB/T 1228-1231)
Product Description
Heavy Strength Hexagonal Structure Bolts(GB/T 1228-1231)
1.Main Size:M16~M30 ,length: 35mm~260mm,according to the request of customers;
2.Material:Carbon steel or alloy steel;
3.Standard: GB/T 1228-1231;
4.The Mechanical Grade:10.9/8.8;
5.Surface Treatment:Zinc-plated(Black or Plain),Hot dip galvanizing,Dacromet,etc;
6.Used in steel structures,such as multi-floor&high-rise steel structure buildings,industrial buildings,high way,railway,steel steam,tower,power station,airport and other structure workshop frames;
All products we can do as per international standard as customer’s request with high quality and best price.Welcome your inquiries!
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