High Quality Carbon Steel Grade Class 4.8 8.8 10.9 Black Oxide Metal Bolt T-Slot T Head Bolts

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 referred to as square - headed screws) are essential fasteners in numerous industries and construction endeavors. They are distinguished by their square - shaped heads, which offer several advantages. When it comes to material, they can be manufactured from a variety of metals, with stainless steel (e.g., 18 - 8 (A2), A4, SUS304, SUS316, SUS316L) being a well - liked choice. This stainless - steel material provides excellent corrosion resistance, making them appropriate for applications in harsh environments such as marine or chemical plants. For example, in coastal areas where saltwater is common, stainless - steel square head bolts can withstand the corrosive impacts and keep their integrity over an extended period. The square - head design has practical benefits: it enables easy manual tightening or loosening using a wrench or socket. Unlike some round - headed bolts that might slip under torque, the flat surface of the square head provides a stable grip. This makes installation and maintenance more convenient, particularly in situations where power tools may not be easily accessible or in confined spaces. Square head bolts are available in different sizes (e.g., M2, M8, M12, M16) and have different strength ratings (e.g., A2 - 70, A2 - 80, A4 - 70, A4 - 80). High - strength fasteners like these are frequently used in structural applications, such as building frameworks or heavy - machinery assembly, ensuring the stability and safety of the structure.

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