Carbon Steel Grade Class 4.8 8.8 10.9 12.9 Metal bolt Square Hammer Head T Bolt

Product Specifications

Name	Metal Bolt
Standard	DIN, ASME, ANSI, ISO
Material	carbon steel
Place of Origin	China
Finish	Polish, Passivation, Black, Galvanization, Chromate, Dacromet
Certificate	ISO9001:2008, ROHS
Used	Building Industry Machinery
Thread Type	Coarse, Fine
Usage	Fastening
Function	Connection, Fastening and Decoration
Strength	High
Size	Various sizes available
Measurement System	INCH, Metric system

Square head bolts (also known as square - headed screws) are versatile fasteners utilized in various industrial and construction scenarios. They are characterized by their square - shaped heads, which confer several benefits. Regarding materials, they can be produced from a range of metals, with stainless steel (e.g., 18 - 8 (A2), A4, SUS304, SUS316, SUS316L) being a common selection. This stainless - steel material provides excellent corrosion resistance, making them ideal for applications in harsh environments such as marine or chemical plants. For instance, in coastal areas where saltwater is prevalent, stainless - steel square head bolts can endure the corrosive effects and maintain their integrity over time. The square - head design offers practical advantages: it allows for easy manual tightening or loosening using a wrench or socket. Unlike some round - headed bolts that may slip under torque, the flat surface of the square head provides a stable grip, making installation and maintenance more convenient, especially in situations where power tools may not be readily available or in tight spaces. Square head bolts come in different sizes (e.g., M2, M8, M12, M16) and strength grades (e.g., A2 - 70, A2 - 80, A4 - 70, A4 - 80) to meet specific load - bearing requirements. High - strength fasteners like these are often used in structural applications, such as building frameworks or heavy - machinery assembly, ensuring the stability and safety of the structure.

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