S-94779A550 8-32 x 3/8" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws
Stainless Steel Truss 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
- Exceptional corrosion resistance with black-oxide coated 18-8 stainless steel for long-term reliability in harsh environments
- Superior holding power from fully threaded UNC coarse spacing that prevents loosening under vibration
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Wide rounded truss head design distributes clamping force evenly while providing a low-profile finish
- Precision Class 2A thread fit ensures smooth installation and consistent engagement with mating components
- Phillips No. 2 drive compatibility for efficient installation with standard industrial tools
- Full regulatory compliance meeting ASME B18.6.3 standards, RoHS 3, and REACH for global industrial use
Professional Applications & Engineering Value
These black-oxide 18-8 stainless steel screws deliver critical corrosion protection where moisture, chemicals, or outdoor exposure would degrade ordinary fasteners. The rounded truss head design provides wider bearing surface contact than standard heads, reducing surface damage and improving load distribution across assembled materials. With fully threaded UNC coarse spacing and Class 2A thread fit, these screws maintain consistent clamping force in vibration-prone equipment while allowing faster installation in production environments. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in structural assemblies, electrical enclosures, machinery guards, and automotive components where failure isn't an option.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread spacing (8-32 size). Fully compliant with ASME B18.6.3 specifications for mechanical and dimensional requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for restricted substances. Threading extends full length (3/8") for maximum engagement capability in various material thicknesses.
