S-90283A583 5/16"-18 x 1" 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 for extended service life in demanding environments
- High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical loads
- Rockwell B60 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit offers optimal assembly efficiency while maintaining secure connections
- Full UNC coarse threading enables faster installation and reduced cross-threading risks
- Slotted pan head design combines traditional tool compatibility with a low-profile, rounded appearance
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures regulatory acceptance
Professional Applications & Engineering Value
This zinc-plated steel slotted pan head screw delivers exceptional performance in industrial settings where corrosion resistance and mechanical reliability are paramount. The combination of 60,000 psi tensile strength and Rockwell B60 hardness makes it ideal for machinery assembly, equipment manufacturing, and structural applications requiring sustained load-bearing capability. The UNC coarse thread pattern with Class 2A fit ensures quick, secure installations while minimizing thread damage. The rounded pan head profile provides a finished appearance while the slotted drive accommodates standard tools, making these fully threaded screws versatile for both production lines and maintenance operations across various industrial sectors.
Specification Summary & Compliance
This 5/16"-18 x 1" pan head screw features precise UNC coarse threading with Class 2A dimensional tolerance for consistent performance. Manufactured to ASME B18.6.3 specifications, it ensures interchangeability and reliability in mechanical assemblies. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting current industry standards for hazardous substance restrictions and chemical safety protocols.
