S-95841A550 1/4"-20 x 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 due to PVC plastic construction, ideal for harsh chemical environments and moisture-prone applications
- Excellent chemical resistance prevents degradation from acids, alkalis, and solvents, ensuring long-term reliability
- Easy installation and removal with 7/16" external hex head design for standard wrench compatibility
- Secure fastening performance with UNC coarse threading and Class 2A fit for reliable engagement in plastic and soft materials
- Partial threading design allows for precise clamping force control and vibration resistance in assembled components
- RoHS 3 compliance ensures environmental safety and meets international regulatory standards for industrial use
- Lightweight non-conductive properties make these screws perfect for electrical insulation applications
Professional Applications & Engineering Value
These gray PVC hex head screws deliver exceptional value in applications where metal fasteners would corrode or cause galvanic reactions. The PVC plastic material provides inherent resistance to chemicals, moisture, and electrical conductivity, making them ideal for chemical processing equipment, water treatment systems, and electrical enclosures. The UNC coarse thread pattern ensures quick installation and reliable holding power in plastic assemblies and soft substrates, while the partial threading design prevents over-tightening and material stress. With a maximum temperature rating of 140°F, these screws maintain integrity in moderate thermal environments, offering engineers a durable alternative to stainless steel in corrosive applications.
Specification Summary & Compliance
This 1/4"-20 x 2" hex head screw features Class 2A thread fit per UNC standards with coarse thread spacing for optimal engagement. Manufactured from PVC plastic in gray color with a 7/16" hex head and partial threading up to 3/4" minimum thread length. The product is fully RoHS 3 (2015/863/EU) compliant and designed for inch system applications requiring chemical-resistant fastening solutions.
