High Strength A2-70 A2-80 A4-70 A4-80 18-8 Stainless Steel Metal Bolt Square Neck T Type Bolt

Product Specifications

Name	Metal Bolt
Standard	DIN, ASME, ANSI, ISO
Material	Stainless 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) play a crucial role in structural and heavy - machinery setups. Structurally, they are used in building frameworks, where their robust design ensures the stability and safety of the entire structure. In heavy - machinery assembly, components need to withstand significant loads, and square head bolts, with their secure fastening ability, meet this demand. Material - wise, high - strength carbon steel grades like 4.8, 6.8, 8.8, 10.9, and 12.9 are commonly used, as well as stainless steel variants such as A2 - 70, A2 - 80, A4 - 70, and A4 - 80. These materials provide the necessary strength and, in the case of stainless steel, corrosion resistance. The square - head design enables easy tightening and loosening, even in confined spaces where power tools might not be practical. For instance, in the assembly of large industrial machines, workers can use wrenches to adjust square head bolts quickly, ensuring that all parts are properly aligned and secured. Their availability in sizes like M2, M8, M12, and M16, along with different strength ratings, allows for customization to fit specific load - bearing requirements of various structural and machinery projects.

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