S-3638N122 M8 x 40 mm DIN 561B Set Screws
Set Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior holding power with Class 8.8 high-strength steel construction, ensuring reliable performance in demanding applications
- Enhanced engagement and reduced loosening thanks to the extended 4mm tip with precise diameter and length tolerances
- Quick and easy installation with a standard external hex drive and right-hand coarse thread for efficient assembly
- Consistent and precise fit guaranteed by the Class 6g thread tolerance, providing reliable mating with components
- Excellent durability and wear resistance from the Rockwell C20 hardness, extending the screw's service life
- Broad industrial compatibility as it meets DIN 561B specifications, ensuring quality and interchangeability
- Safe for regulated environments with full compliance to RoHS 3 and REACH, supporting responsible manufacturing
Professional Applications & Engineering Value
This M8 set screw is engineered to address critical fastening challenges in machinery, automotive, and equipment assembly. The Class 8.8 steel material provides high tensile strength, resisting shear and vibrational forces that cause joint failure. Its extended tip and coarse thread design ensure deeper penetration and superior grip in soft or pre-tapped materials, preventing slippage and maintaining alignment. The external hex drive allows for high torque application with common tools, speeding up installation in high-volume production lines. Ideal for securing gears, pulleys, and collars, this metric set screw delivers reliable, repeatable performance in industrial set screws applications where precision and durability are non-negotiable.
Specification Summary & Compliance
This set screw features an M8 x 1.25mm coarse thread with Class 6g fit for standard metric applications, ensuring dimensional accuracy per DIN 561B. It is manufactured from Class 8.8 steel with a hardness of Rockwell C20, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industries.
