S-91772A126 5-40 x 3/8" 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
- Enhanced durability and longevity from 70,000 psi tensile strength and Rockwell B70 hardness
- Reliable fastening performance with fully threaded UNC coarse threads and Class 2A fit for secure connections
- Efficient installation using standard Phillips No. 2 drive for quick assembly with common tools
- Consistent dimensional accuracy with rounded pan head design (0.245" diameter) ensuring proper seating
- Broad industrial compatibility through compliance with ASME B18.6.3 manufacturing standards
- Environmental and safety compliance meeting RoHS 3 and REACH regulations for responsible sourcing
Professional Applications & Engineering Value
These 5-40 UNC rounded head screws deliver exceptional engineering value in demanding applications where corrosion resistance and mechanical strength are critical. The passivated 18-8 stainless steel construction provides superior protection against rust and chemical exposure, making them ideal for industrial equipment, marine components, and food processing machinery. The combination of coarse UNC threading and Class 2A fit ensures rapid assembly with reduced cross-threading risks, while the fully threaded design maintains consistent clamping force across the entire 3/8" length. The Phillips No. 2 drive and rounded pan head profile facilitate efficient installation in confined spaces, solving common assembly challenges in manufacturing and maintenance operations where reliability and speed are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread profile (5-40 size, 0.125" diameter). Complies with ASME B18.6.3 specifications for mechanical fasteners and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features include 3/8" length, 0.245" head diameter, and right-hand threading with full thread coverage for consistent performance across industrial applications.
