S-93339A221 M8 x 11.2 mm 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 coarse thread spacing and Class 6g fit for reliable fastening in high-vibration environments
- Exceptional durability from alloy steel construction and Rockwell C39 hardness, resisting wear and deformation under heavy loads
- Secure, flush installation thanks to the headless design and 4mm hex drive, ideal for confined spaces
- Enhanced grip and alignment with the ball tip design, reducing component damage during installation
- Corrosion resistance and environmental compliance with RoHS 3 exemption 6(a), suitable for regulated industries
- Wide industrial compatibility through metric M8 x 1.25mm coarse threading and right-hand thread direction
- Precise torque application via the 4mm hex drive, ensuring consistent clamping force without slippage
Professional Applications & Engineering Value
This M8 x 1.25mm metric set screw is engineered to address critical challenges in industrial assembly, such as component slippage and fastener failure under dynamic loads. The alloy steel composition, combined with Rockwell C39 hardness, provides exceptional shear and tensile strength, making it ideal for securing gears, pulleys, and shafts in machinery. The hex headless design allows for flush mounting in tight spaces, while the ball tip minimizes surface marring and improves alignment during installation. With coarse thread spacing and Class 6g thread fit, it ensures quick assembly and reliable performance in high-vibration applications like automotive and manufacturing equipment, reducing maintenance downtime and enhancing operational safety.
Specification Summary & Compliance
This set screw adheres to metric thread standards with M8 size, 1.25mm pitch, and Class 6g thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) compliance under exemption 6(a) for lead as an alloying element in steel, ensuring environmental safety. The manufacturing process focuses on maintaining consistent thread geometry and ball tip diameter of 5.5mm, supporting reliable performance in industrial fastening applications.
