Bolts are divided into more than 10 grades according to their properties:3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9 etc.Hex Bolts is also called hexagon head Bolt .
We are in the famous fasteners place of Hebei province ,we can supply best price and many kinds of Screw Fastener.mainly include :Hot dip galvanized high strength Nuts , hot dip galvanized Flange Nut, high strength Hex bolt, high strength Anchor
Bolts,Socket Bolts,Countersunk Bolts,Round Head Bolts, high strength stud, customized various specially-shaped pieces.
The material is made of regular Dachang material, including S 235, 35# steel, 45# steel, 40Cr, 35CrMoA, Q345B material.
The product production has been strictly tested to ensure product quality.
Size :M5-M64 or non-standard as request&design.
Grade:4.8,6.8,8.8,10.9,12.9 etc.
Standard:GB,DIN,ISO,ANSI,BS,JIS,BSW.
Finish:Plain,black,zinc plated/according to your requirement.
Hex Bolts use for many fields ,including solar structure,building ,construction .At the present,The Hex Bolts on the market
are divided into carbon steel,stainless steel and copper Bolt. According to the engineering requirements,the corresponding different grades of products are selected respectively.
Generally, the Hardware Fastener Bolts above 8.8 grade are made of low carbon alloy steel or medium carbon steel and subjected to heat treatment,which are collectively referred to as high strength Bolts.
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