S-93339A229 M8 x 31.2 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 Class 6g thread fit precision ensuring reliable fastening in demanding applications
- Enhanced durability and wear resistance from alloy steel construction with Rockwell C39 hardness rating
- Optimal grip and alignment thanks to the ball tip design that minimizes surface damage during installation
- Easy installation and removal with 4mm hex drive providing secure tool engagement and torque transmission
- Wide compatibility with coarse 1.25mm pitch threading meeting standard metric fastener requirements
- Space-saving design as a headless set screw ideal for applications with limited clearance
- Environmental compliance assurance with RoHS 3 certification for industrial use with exemption 6(a)
Professional Applications & Engineering Value
This M8 metric set screw delivers exceptional engineering value in industrial applications where vibration resistance and permanent positioning are critical. The alloy steel construction combined with Rockwell C39 hardness provides superior strength against loosening under dynamic loads, while the ball tip design ensures concentrated contact pressure without damaging shaft surfaces. The coarse 1.25mm pitch threading with Class 6g precision offers excellent engagement in both soft and hard materials, making these hex drive set screws ideal for machinery, automotive components, and precision equipment where reliable fastening solutions are paramount. The headless configuration allows for flush mounting in confined spaces, providing clean, unobtrusive fastening.
Specification Summary & Compliance
This precision set screw features M8 x 1.25mm metric coarse threading with Class 6g thread fit tolerance, ensuring dimensional accuracy per international standards. The 31.2mm length and 4mm hex drive provide consistent installation performance. Manufactured from high-strength alloy steel with Rockwell C39 hardness and featuring a 5.5mm ball tip, this fastener is RoHS 3 (2015/863/EU) compliant with exemption 6(a) for lead as an alloying element in steel, meeting environmental regulations for industrial applications.
