Allen Bolt, Grade 8.8, Size M12x50 , Iran

The M12x50 Allen bolt, grade 8.8, is made of high-strength alloy steel and is suitable for fixed and heavy-load connections. Its external thread diameter is 12 millimeters, and the total bolt length is 50 millimeters, with a standard thread pitch of 1.75 millimeters. The head features a hexagonal recess for an Allen key, and heat treatment increases surface hardness to approximately 320–380 HB. The surface is typically zinc-plated or black-coated to enhance corrosion and rust resistance. With a strength class of 8.8, the bolt can withstand tensile loads up to 800 MPa and is optimized for assembling industrial and construction metal components.

The M12x50 Allen bolt complies with ISO 4762 standards and is suitable for steel structures, machinery, and industrial equipment. Its thread diameter and standard length ensure even force distribution at the joint, preventing loosening. The recommended tightening torque is between 70 and 90 Nm to maintain mechanical performance. The hexagonal internal head allows minimal slippage when using an Allen key, ensuring fast and precise installation. High mechanical strength and hardness increase durability and safety in dynamic load conditions and various environmental situations.You can order and buy Allen Bolt, Grade 8.8, Size M12x50 from Iran by contacting us through whatsaap and email.
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