2021 wholesale price A490 Bolt - Factory Manufacture Various Bolt Truck Parts Round Head Torsional Shear Bolts –
2021 wholesale price A490 Bolt - Factory Manufacture Various Bolt Truck Parts Round Head Torsional Shear Bolts – Detail:
Factory Manufacture Various Bolt Truck Parts Round Head Torsional Shear Bolts
Place of Origin | Hebei, China |
Product name | Torsional shear bolts for steel structure |
Material | Grade 10.9 steel |
Size | Length 4CM/5CM/6CM/7CM/8CM/9CM/10CM Can be customized |
Characteristic | Used for bridges and highways |
Bolt marks and performance grades
(1) Logo. Hexagon bolts and screws (thread diameter ≥5mm). A convex or concave mark on the top of the head or a concave mark on the side of the head is required. Including performance grade, factory standard. Carbon steel: Strength grade marking code consists of two numbers separated by “·”. The numerical part before “·” in the marking code indicates the nominal tensile strength. For example, “4″ in grade 4.8 means 1/100 of the nominal tensile strength of 400N/MM2. The meaning of “·” and the digital part after the dot in the marking code indicates the yield ratio, that is, the ratio of the nominal yield point or the nominal yield strength to the nominal tensile strength. For example, the yield point of grade 4.8 products is 320 N/mm2. Stainless steel product strength grade mark is composed of two parts separated by “-”. The symbol before “-” indicates the material. For example, A2 and A4 indicate the strength after a -, for example, A2-70
(2) Grade. Carbon steel: Metric bolt mechanical performance grade can be divided into: 3.6, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 a total of 10 performance grades. Stainless steel is divided into 60,70,80(austenite); 50,70,80,110(martensite); 45,60 (ferrite) class iii.
Product detail pictures:
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We take pleasure in a really excellent name amongst our shoppers for our exceptional product or service excellent, competitive rate and also the greatest services for 2021 wholesale price A490 Bolt - Factory Manufacture Various Bolt Truck Parts Round Head Torsional Shear Bolts – , The product will supply to all over the world, such as: Uruguay, Qatar, azerbaijan, We always insist on the management tenet of "Quality is first, Technology is basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.
By Eudora from Bulgaria - 2018.12.25 12:43
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
By Sharon from Hungary - 2017.03.07 13:42