S-93705A857 M8 x 40 mm DIN 912, ISO 4762 18-8 Stainless Steel Thread-Locking Socket Head Screws
18-8 Stainless Steel Thread-Locking Socket Head 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
- Vibration-resistant locking with nylon patch thread locker prevents loosening in dynamic applications from -70° to 250°F
- Superior corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh environments
- High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding mechanical assemblies
- Precision thread fit with Class 6g tolerance ensures smooth installation and secure fastening in metric applications
- Optimized drive engagement with 6mm hex socket allows high torque application and prevents tool slippage
- Versatile partial threading design provides both threaded engagement and smooth shank for precise component positioning
- Global compliance with DIN 912/ISO 4762 standards guarantees interchangeability and quality assurance
Professional Applications & Engineering Value
These M8 socket head cap screws deliver critical performance in precision machinery, automotive systems, and industrial equipment where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel construction combined with the nylon patch thread locker addresses common failure points in dynamic assemblies by maintaining clamp load under thermal cycling and mechanical stress. The coarse thread profile with Class 6g tolerance ensures rapid installation in production environments while providing reliable engagement in both metals and engineered plastics. The partially threaded design allows precise alignment of components while the hex socket drive enables high-torque installation in confined spaces typical of metric fastener applications.
Specification Summary & Compliance
Manufactured to DIN 912/ISO 4762 specifications with Class 6g thread fit tolerance for precision metric applications. Features M8 x 1.25mm coarse thread with 28mm minimum threaded length and 40mm overall length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The right-hand thread configuration follows international standards for consistent installation across global manufacturing operations.
