The head shape of the china square head bolt is square. This design of square head bolt provides a surface for tools like wrenches or pliers to grip onto for tightening or loosening.
Square head bolts are widely used in engineering, electrical, mechanical equipment, and chemical equipment, ships, vehicles, bridges, steel structures, and other fields.
As a professional China square head bolt company, square head bolt factory, square head bolt supplier, JNZC offers a selection of premium square head bolts for sale and other types of bolt fastener, tailored to meet your unique requirements. If you require high-quality products for your specific applications, please do not hesitate to get in touch with us.
Specification of Square Head Bolts
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Thread specification range (mm) |
M16-M90 |
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Maximum processing length (mm) |
≤1500mm |
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Strength Range |
≤1450MPa |
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Geometric Tolerance |
The verticality of the supporting surface relative to the thread is ≤0.02mm |
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Friction Coefficient |
μtot, μb, μth |
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Surface Treatment |
Black oxide, Phosphating, Flake zinc-aluminum coating (Dacromet, Geomet), HDG (Hot dip galvanizing), Electro galvanizing, Mechanical galvanizing, Copper plating, Teflon, Special coating for marine engine parts, etc. |
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Standard Specifications |
All items are produced in strict accordance with industry standards or client-specific requirements. |
If you want to know more square head bolt uses, please visit our website.
Jinan Zhongchuan Equipment Co Ltd. (JNZC) is a technology-based machined parts and fasteners manufacturing company dedicated to providing reliable high-strength fasteners precision machining parts solutions for global industries. We are the member of APQP4WIND.
