S-91792A110 4-40 x 1/2" ASME B18.6.3 Stainless Steel Pan Head Slotted Screws
Stainless Steel Pan Head Slotted 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 corrosion resistance with 18-8 stainless steel construction and passivated finish for long-term reliability in harsh environments
- Superior mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
- Reliable thread engagement with Class 2A thread fit ensuring consistent performance and easy assembly
- Optimized drive efficiency through slotted drive design providing straightforward installation with standard tools
- Full-thread coverage along the 1/2" length maximizes grip strength and load distribution
- Industry-standard compliance with ASME B18.6.3 specifications guaranteeing dimensional accuracy and interchangeability
- Environmental responsibility through RoHS 3 and REACH compliance for sustainable manufacturing practices
Professional Applications & Engineering Value
These 4-40 UNC coarse thread slotted screws deliver exceptional value in industrial settings where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel construction, enhanced by passivated surface treatment, provides superior protection against oxidation and chemical exposure, making them ideal for machinery, electronic enclosures, and outdoor equipment. The rounded pan head design with slotted drive offers low-profile fastening while maintaining easy accessibility for maintenance. With fully threaded construction and Class 2A thread fit, these screws ensure secure fastening in materials where vibration resistance and consistent clamping force are critical engineering requirements.
Specification Summary & Compliance
This 4-40 UNC screw features precise Class 2A thread fit tolerances and complies with ASME B18.6.3 manufacturing standards. The 1/2" length with coarse threading provides optimal engagement characteristics. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental safety standards for industrial components.
