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The Allen bolt A2 cylindrical head with size M8 and length 40 mm is manufactured from stainless steel grade A2-70, offering a tensile strength of about 700 MPa. Its approximate weight is 15 grams, and due to its 8 mm diameter and 40 mm length, it is commonly used in medium to heavy industrial joints. The thread is designed according to ISO 4762 with a 1.25 mm pitch, ensuring uniform load distribution along the threads.
In terms of corrosion resistance, the A2 Allen bolt performs well in humid and semi-corrosive environments thanks to chromium and nickel content in the alloy. It is produced in compliance with DIN 912 or ISO 4762 standards and is suitable for applications in oil and gas industries, food processing, and mechanical machinery. Stainless steel A2 naturally resists rusting, eliminating the need for additional coatings, which significantly increases the service life of the connection.
WEBSITE: 8X40 stainless steel cap head screw Iran