S-96367A858 1/4"-20 x 1/2" ASME B18.6.3 Plastic Pan Head Phillips Screws
Plastic Pan Head Phillips 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
- Exceptional temperature resistance from -60° to 500° F for reliable performance in extreme thermal environments
- Superior chemical resistance thanks to high-performance PEEK plastic material for harsh industrial applications
- Precise Class 2A thread fit ensures consistent engagement and reliable fastening in demanding assemblies
- Optimized Phillips No. 3 drive provides efficient installation with standard driving tools
- Fully threaded design offers maximum holding power along the entire screw length
- Rounded pan head profile combines low-profile appearance with excellent load distribution
- Regulatory compliance meets critical industry standards including ASME B18.6.3, RoHS 3, and REACH
Professional Applications & Engineering Value
These PEEK plastic rounded head screws deliver exceptional engineering value in demanding industrial environments where traditional metal fasteners fail. The high-temperature PEEK material maintains structural integrity from -60° to 500° F, solving critical thermal expansion and degradation problems in aerospace, semiconductor, and chemical processing equipment. The 1/4"-20 UNC coarse thread with Class 2A fit provides reliable engagement in plastic and composite materials, while the Phillips No. 3 drive ensures straightforward installation. The fully threaded design and rounded pan head profile distribute clamping forces evenly, preventing material stress concentration in sensitive electronic enclosures and medical device assemblies where electrical insulation and chemical resistance are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread spacing for consistent performance. These screws conform to ASME B18.6.3 specifications for mechanical fasteners and demonstrate full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the highest industry standards for safety and environmental responsibility in global industrial applications.
