Reliable Supplier Hex Screw Cover Caps - Factory Manufacture Various Bolt Truck Parts Round Head Torsional Shear Bolts –

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Persisting in "High quality, Prompt Delivery, Aggressive Price", we have established long-term cooperation with clientele from both equally overseas and domestically and get new and old clients' higher comments for Double Threaded Bolt, Black Wheel Lug Nuts, Metric Din6334 M10, Within our initiatives, we already have many shops in China and our solutions have won praise from prospects around the globe. Welcome new and outdated consumers to call us for that upcoming long term small business associations.

Reliable Supplier Hex Screw Cover Caps - 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.
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