S-90400A197 8-32 x 3/4" ASME B18.13 Steel Pan Head Phillips Screws with Spring Lock Washer
Steel Pan Head Phillips Screws with Spring Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated steel construction for reliable performance in demanding industrial environments
- Superior vibration resistance through integrated spring lock washer that maintains clamping force under dynamic loads
- Optimized installation efficiency with Phillips No. 2 drive and coarse UNC threads for faster assembly and reduced cross-threading risk
- Exceptional mechanical strength delivering 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Reliable thread engagement through fully threaded design and Class 2A thread fit ensuring consistent performance
- Broad compatibility with standard UNC 8-32 threading for versatile use across industrial equipment and assemblies
- Regulatory compliance assurance meeting ASME B18.13 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
These zinc-plated steel screws with spring lock washers provide critical solutions for vibration-prone industrial applications where fastener loosening can compromise equipment integrity. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in heavy machinery, electrical enclosures, and automotive assemblies. The fully threaded UNC coarse design offers superior grip in various materials while the integrated spring lock washer maintains tension under cyclic loading conditions. The zinc plating delivers essential corrosion protection for extended service life in challenging environments, making these Phillips pan head screws ideal for maintenance, manufacturing, and equipment repair applications requiring durable, vibration-resistant fastening solutions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (8-32) ensuring consistent performance across applications. Complies with ASME B18.13 mechanical specifications and maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 3/4" length with fully threaded design provides complete engagement capability while the spring lock washer integration meets industrial vibration resistance requirements.
