S-91772A291 12-24 x 1/2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel 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
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 70,000 psi ensures reliable performance in demanding applications
- Excellent thread engagement with fully threaded UNC coarse thread design for faster assembly and secure fastening
- Optimized drive efficiency featuring Phillips No. 3 drive for reduced cam-out and improved torque transmission
- Precision Class 2A thread fit guarantees consistent performance and interchangeability
- Enhanced durability with Rockwell B70 hardness for long service life under mechanical stress
- Regulatory compliance meeting ASME B18.6.3 standards, RoHS 3, and REACH for global market acceptance
Professional Applications & Engineering Value
These 12-24 UNC coarse thread pan head screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and mechanical strength are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making them ideal for marine, food processing, and outdoor equipment assemblies. The fully threaded right-hand design with coarse spacing ensures rapid installation and maximum thread engagement in various materials, while the pan head profile with Phillips No. 3 drive offers excellent torque transfer and seating characteristics. These heavy-duty screws effectively solve common assembly challenges by maintaining structural integrity under vibration and load, reducing maintenance frequency, and ensuring long-term reliability in demanding operational conditions.
Specification Summary & Compliance
This fastener features precision Class 2A thread fit with UNC coarse threading (12-24 size) and full threading along the 1/2" length. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance in international markets.
