S-93705A583 5/16"-18 x 1" ASME B18.3 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
- Exceptional corrosion resistance from 18-8 stainless steel construction for long service life in harsh environments
- Precise Class 3A thread fit ensures superior engagement and consistent clamping force
- High tensile strength of 70,000 psi provides reliable performance under heavy loads
- Wide temperature tolerance (-70° to 250°F) maintains locking effectiveness across extreme conditions
- Standard hex socket drive allows for high torque application and flush installation
- Full threading enables maximum adjustability and secure fastening along entire length
Professional Applications & Engineering Value
These 18-8 stainless steel socket head cap screws with nylon patch thread locking technology address critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and precision equipment. The coarse UNC thread pattern combined with Class 3A thread fit provides rapid installation while maintaining precise alignment in high-stress applications. The hex socket drive design enables flush mounting in confined spaces while accommodating high torque requirements. Engineered for demanding environments, these fully threaded screws deliver consistent performance in temperature-fluctuating conditions from sub-zero to elevated temperatures, making them ideal for OEM manufacturing and maintenance applications where reliability is paramount.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread tolerances for precision fit. Features 5/16"-18 UNC coarse threads with right-hand direction and standard socket head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 1/4" hex drive accommodates standard industrial tools while maintaining Rockwell B70 hardness specifications.
