S-90271A546 1/4"-20 x 1 1/2" 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
- Enhanced load distribution with wide truss head design for superior surface contact and reduced material stress
- Corrosion-resistant zinc plating provides durable protection in demanding industrial environments
- Maximum thread engagement through fully threaded design ensures superior holding power and vibration resistance
- High tensile strength rating of 60,000 psi delivers reliable performance under heavy loads
- Precision Class 2A thread fit guarantees consistent installation and optimal fastener performance
- Rockwell B69 hardness maintains structural integrity and prevents deformation during installation
- Industry-standard compliance with ASME B18.6.3 ensures compatibility and reliability across applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these zinc-plated steel truss head screws solve critical fastening challenges where vibration resistance and surface protection are paramount. The wide truss head design distributes clamping force over a larger area, preventing surface damage to softer materials while providing exceptional pull-out resistance. The 1/4-20 UNC coarse thread configuration ensures rapid installation and superior holding power in wood, metal, and composite assemblies. With full threading along the entire 1-1/2" length, these screws maintain consistent engagement depth for applications requiring maximum thread contact. The combination of 60,000 psi tensile strength and corrosion-resistant zinc plating makes these fasteners ideal for machinery, electrical enclosures, structural assemblies, and outdoor equipment where durability and regulatory compliance are essential.
Specification Summary & Compliance
This truss head slotted screw features precision Class 2A thread fit with 1/4-20 UNC coarse thread specifications, ensuring dimensional accuracy and reliable performance. Manufactured to meet ASME B18.6.3 standards for dimensional requirements and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, confirming environmental responsibility and safety standards for industrial use across global markets.
