Customized 4.8 8.8 10.9 12.9 Carbon Steel Zinc plated Dacromet T Head Bolt Metal 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 (square head screws) are crucial structural fasteners used across various industries and construction sites. They are defined by their square - shaped heads, which provide several benefits. In terms of material, they can be made from a wide range of metals, and stainless steel (e.g., 18 - 8 (A2), A4, SUS304, SUS316, SUS316L) is a common choice. This material offers outstanding corrosion resistance, making them suitable for use in harsh environments like marine or chemical facilities. For instance, in coastal regions with high levels of saltwater, these bolts can resist corrosion and maintain their structural integrity over time. The square - head design has practical advantages: it allows for easy manual tightening or loosening with a wrench or socket. Unlike some round - headed bolts that may slip when torque is applied, the flat surface of the square head provides a stable grip, making installation and maintenance easier, especially in tight spaces or when power tools are not readily available. 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 needs. High - strength square head bolts are often used in structural applications, such as building frames or heavy - machinery assembly, to ensure the stability and safety of the overall structure.

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