S-92224A250 5/16"-18 x 3" ASME B18.6.3 Steel Pan Head Phillips Screws
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
- Enhanced corrosion resistance with black oxide steel coating, extending service life in demanding industrial environments
- Superior load-bearing capacity with 60,000 psi tensile strength and Rockwell B70 hardness for reliable structural integrity
- Optimized driving efficiency through Phillips No. 4 drive design, preventing cam-out during high-torque applications
- Secure fastening performance with fully threaded UNC coarse spacing, ensuring maximum thread engagement and vibration resistance
- Precision manufacturing standards with Class 2A thread fit, guaranteeing consistent dimensional accuracy across production batches
- Broad regulatory compliance meeting ASME B18.6.3 specifications while adhering to RoHS 3 and REACH environmental directives
- Versatile rounded pan head design providing low-profile installation without compromising clamping surface area
Professional Applications & Engineering Value
Engineered for industrial assembly systems, these black oxide steel screws deliver critical corrosion protection where moisture or chemical exposure threatens fastener integrity. The fully threaded UNC coarse spacing enables rapid installation in structural steel, machinery frames, and equipment manufacturing, while the Class 2A thread fit maintains precise tolerances for repetitive assembly operations. The rounded pan head with Phillips drive combines aesthetic discretion with practical tool engagement, making these 5/16"-18 x 3" screws ideal for automotive components, electrical enclosures, and heavy-duty industrial equipment requiring 60,000 psi tensile strength and regulatory compliance.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 standards with Class 2A thread fit precision and UNC coarse thread spacing. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensional specifications include 5/16"-18 thread size, 3" length, and 0.615" head diameter with right-hand threading orientation.
