S-90271A595 5/16"-18 x 3" ASME B18.6.3 Steel Truss Head Slotted Screws
Steel Truss 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 zinc-plated steel construction for extended service life in harsh industrial environments
- Exceptional load-bearing capacity with 60,000 psi tensile strength to withstand heavy mechanical stress and vibration
- Optimized torque transmission through the wide truss head design that distributes clamping force over a larger surface area
- Reliable thread engagement with Class 2A thread fit ensuring consistent fastening performance and assembly efficiency
- Enhanced durability with Rockwell B69 hardness providing excellent resistance to wear and deformation
- Quick installation using standard slotted drive tools for versatile application across various maintenance scenarios
- Full regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial applications
Professional Applications & Engineering Value
These zinc-plated steel rounded truss head screws deliver critical engineering solutions where vibration resistance and surface protection are paramount. The wide rounded head profile creates superior load distribution, preventing surface damage in softer materials while the UNC coarse threading ensures rapid installation in production environments. The fully threaded design maintains consistent clamping force across the entire 3" length, making these industrial screws ideal for heavy machinery, structural assemblies, and equipment requiring reliable Class 2A thread fit. The combination of 60,000 psi tensile strength and zinc plating provides exceptional performance in automotive, construction, and manufacturing applications where corrosion resistance and mechanical integrity cannot be compromised.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with 5/16"-18 UNC coarse threads maintaining Class 2A thread fit tolerances for consistent assembly performance. These fully threaded screws comply with ASME B18.6.3 manufacturing specifications and meet international regulatory requirements including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and global market acceptance for industrial fastener applications.
