S-3638N133 M12 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 strength grade, ensuring reliable performance in demanding applications
- Precise thread engagement with Class 6g thread fit and coarse 1.75mm pitch for quick assembly and vibration resistance
- Extended tip design with controlled length and diameter tolerances for deeper penetration and secure component locking
- Durable steel construction with Rockwell C20 hardness providing excellent wear resistance and long service life
- Easy installation and removal with standard 16mm external hex drive compatible with common tools
- Compliance with international standards including DIN 561B for consistent quality and dimensional accuracy
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This M12 metric set screw delivers exceptional engineering value in industrial applications where secure component positioning is critical. The Class 8.8 steel construction provides reliable strength for machinery, automotive, and manufacturing equipment, while the extended tip design ensures maximum contact surface for superior locking performance. The coarse thread pitch (1.75mm) offers excellent resistance to vibration loosening, making it ideal for dynamic load conditions. With right-hand threading and external hex drive, installation is straightforward using standard tools, reducing assembly time and maintenance costs in production environments.
Specification Summary & Compliance
This hex set screw features precise Class 6g thread fit according to metric standards, with 40mm length and M12 x 1.75mm thread specifications. Manufacturing complies with DIN 561B for dimensional accuracy and performance consistency. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Tip dimensions are controlled to 6mm length (+0 to 0.3mm) and 8.5mm diameter (-0.22mm to 0) for precise application requirements.
