Historical Version s - view previous versions of standard. More F This specification2 covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength. The fasteners are intended for general engineering use.
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ASTM A is a material regulation covering hex headed bolts, rods, and anchor bolts. They are typically general use fasteners used in standard engineering applications. The reason ASTM A bolts are labeled for general engineering practices is because they are considered a medium strength fastener.
The product itself is manufactured from a medium carbon or alloy steel with its strength properties and mechanical values being obtained from a heat-treating process. The reason ASTM A is often times a more viable solution is because it is more flexible for larger diameters and isn't confined by specific configurations. Type 1, Type 2, and Type 3 A are designated by unique markings on the head and in this instance refer to different materials used in each.
Specifically the callouts designate:. A also features different mechanical properties based not on the type or class of the fastener but the size. The specified ordinances based on the standards include:. Glaser is a trusted distributor of both general engineering fasteners and products designed for more heavy-duty operations. Please contact us for more information about your specific needs. Search this site on Google Search Google. ASTM A Can't find what you're looking for? Visit our Custom Products.
ASTM A449 Specification