S-90283A581 5/16"-18 x 3/4" ASME B18.6.3 Steel Pan Head Slotted Screws
Steel Pan 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, extending service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable fastening under heavy loads and vibration
- Rockwell B60 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit with UNC coarse spacing enables quick assembly and secure connections in various materials
- Fully threaded design offers maximum grip length and consistent holding power along the entire shank
- Standard pan head with slotted drive allows for easy installation with common tools while providing a low-profile finish
- Comprehensive regulatory compliance ensures material safety and meets international engineering standards
Professional Applications & Engineering Value
This zinc-plated steel slotted pan head screw delivers exceptional performance in industrial machinery, equipment assembly, and metal fabrication applications. The combination of 60,000 psi tensile strength and Rockwell B60 hardness addresses common failure points in high-stress environments, preventing stripping and deformation under load. The UNC coarse thread with Class 2A fit provides superior engagement in both metals and plastics, reducing installation time while maintaining secure fastening. The zinc plating offers essential corrosion protection for extended service life in challenging conditions, making these fully threaded screws ideal for permanent installations where reliability is critical.
Specification Summary & Compliance
This 5/16"-18 x 3/4" slotted pan head screw features Class 2A thread fit with UNC coarse thread spacing and right-hand threading. Manufacturing conforms to ASME B18.6.3 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence.
