S-95841A546 1/4"-20 x 1 1/2" Plastic Hex Head Screws
Plastic Hex 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
- Superior corrosion resistance with gray PVC plastic construction, ideal for humid or chemical environments without rust concerns
- Quick and secure installation enabled by external hex drive and hex head design for standard wrench compatibility
- Reliable thread engagement with Class 2A thread fit and coarse UNC threads ensuring consistent fastening in plastic or soft materials
- Optimized weight reduction and electrical insulation from non-metallic PVC material, perfect for electrical or lightweight assemblies
- Environmental compliance with RoHS 3 (2015/863/EU) standards, meeting strict regulatory requirements for hazardous substances
- Partial threading design allows for precise clamping force control and reduced risk of material damage
- Temperature resilience up to 140°F, maintaining integrity in moderate heat applications
Professional Applications & Engineering Value
These 1/4-20 UNC hex head screws deliver exceptional value in industrial settings where metal fasteners fall short. The gray PVC plastic material inherently resists corrosion, chemicals, and galvanic reactions, making them ideal for water treatment systems, food processing equipment, and outdoor enclosures. The coarse UNC thread with Class 2A fit provides superior holding power in plastic frames, composite panels, and soft substrates without stripping. With partial threading, engineers achieve controlled clamping and reduced stress concentration. The external hex drive ensures quick installation with common tools, streamlining assembly lines while the RoHS 3 compliance supports sustainable manufacturing practices.
Specification Summary & Compliance
This screw adheres to UNC thread standards with 1/4"-20 coarse threading and Class 2A thread fit for consistent dimensional accuracy. The partially threaded design features a minimum thread length of 3/4" on a total 1-1/2" length. It conforms to RoHS 3 (2015/863/EU) regulations, ensuring absence of restricted hazardous substances. Manufacturing follows industry-accepted tolerances for hex head screws, with a head width of 7/16" and right-hand thread direction for standard applications.
