S-94564A266 4-40 x 1 1/8" Set Screws
Set 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 ensures long-lasting performance in harsh environments without rust or degradation
- Excellent electrical insulation properties prevent current conduction for safer electrical and electronic applications
- Wide temperature tolerance from -40° to 185°F maintains structural integrity across diverse operating conditions
- Headless hex drive design with 3/64" drive size allows for flush mounting and secure installation in confined spaces
- Class 2A thread fit precision provides consistent engagement and reliable fastening with UNC coarse threads
- RoHS 3 compliance meets environmental regulations for sustainable manufacturing and usage
- Non-conductive nylon construction eliminates galvanic corrosion risks when used with dissimilar metals
Professional Applications & Engineering Value
This nylon plastic set screw with 4-40 UNC coarse threads delivers critical solutions for applications requiring electrical insulation and corrosion resistance. The headless hex drive design enables flush mounting in precision assemblies where protruding fastener heads would interfere with mechanical operation. Engineered with Class 2A thread fit for consistent engagement, these plastic fasteners prevent galvanic corrosion when used with dissimilar metals in electronic enclosures, medical devices, and food processing equipment. The flat tip provides secure positioning without damaging shaft surfaces, while the temperature range from -40° to 185°F ensures reliable performance in both industrial and consumer applications where metal fasteners would pose conductivity or contamination risks.
Specification Summary & Compliance
This set screw features 4-40 UNC coarse threads with Class 2A thread fit for precision engagement, measuring 1-1/8" in length with 0.112" thread diameter. Manufactured from off-white nylon plastic with right-hand thread direction and flat tip design. The product is fully RoHS 3 (2015/863/EU) compliant for environmental safety and meets standard industrial specifications for non-conductive fasteners in technical applications.
