S-91792A743 4-48 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
- Superior corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh environments
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
- Precise thread engagement with Class 2A fit and UNF fine threads, ensuring vibration resistance and secure fastening
- Full threading design provides maximum grip along the entire 1/2" length for uniform stress distribution
- Standard pan head with slotted drive offers easy installation and removal with common tools
- Compliance with major standards including ASME B18.6.3, RoHS 3, and REACH for quality assurance and environmental safety
- Right-hand thread direction enables straightforward assembly in standard applications
Professional Applications & Engineering Value
This 4-48 UNF fine thread pan head slotted screw delivers critical reliability in precision assemblies where corrosion resistance and mechanical integrity are paramount. The 18-8 stainless steel construction, enhanced by a passivated finish, combats oxidation and chemical exposure in industrial, marine, or electronic enclosures. Its fine thread profile and Class 2A fit minimize loosening under vibration, making it ideal for machinery, instrumentation, and automotive components. Fully threaded along its 1/2" length, it ensures consistent clamping force, reducing the risk of joint failure. Engineers specify this screw for applications demanding high tensile strength and long-term durability without compromising on regulatory compliance.
Specification Summary & Compliance
This screw meets ASME B18.6.3 specifications for dimensional accuracy and performance. Threads conform to UNF fine thread standards with a Class 2A tolerance for consistent fit. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances. Manufactured from 18-8 stainless steel with a passivated finish, it offers reliable corrosion protection and mechanical properties suitable for demanding industrial use.
