S-91794A093 3-48 x 5/16" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws
Stainless Steel Fillister 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 with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- High tensile strength of 70,000 psi ensures reliable fastening under demanding mechanical loads
- Excellent thread engagement with UNC coarse threads and Class 2A fit for quick installation and vibration resistance
- Optimized head design featuring a high, narrow fillister profile for enhanced tool clearance and professional appearance
- Consistent performance with Rockwell B55 hardness maintaining dimensional stability through repeated use
- Full threading along 5/16" length provides maximum grip depth and installation flexibility
- Regulatory compliance meeting ASME B18.6.3 specifications and environmental standards (RoHS 3, REACH)
Professional Applications & Engineering Value
This 3-48 UNC Fillister Head Slotted Screw delivers exceptional engineering value for precision assembly applications where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel construction with passivated finish provides superior protection against oxidation and chemical exposure, making it ideal for electronics enclosures, instrumentation panels, and marine equipment. The high, narrow rounded head profile offers improved tool access in confined spaces while maintaining a professional aesthetic. With coarse UNC threads and Class 2A thread fit, these screws ensure rapid installation and secure fastening in materials where fine threads might strip or fail. The combination of 70,000 psi tensile strength and Rockwell B55 hardness guarantees long-term performance in vibration-prone environments, reducing maintenance frequency and replacement costs.
Specification Summary & Compliance
This rounded head screw features precise Class 2A thread fit tolerances with 3-48 UNC coarse threading and 5/16" length. Manufactured to ASME B18.6.3 specifications with a 0.161" head diameter and 0.095" head height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
