S-90280A583 5/16"-18 x 1" ASME B18.6.3 Steel Fillister Head Slotted Screws
Steel Fillister 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 corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
- Superior holding power from fully threaded design and 60,000 psi tensile strength for reliable fastening in high-stress applications
- Optimized drive engagement with slotted fillister head design providing excellent torque transmission and reduced cam-out risk
- Precise thread compatibility with UNC coarse 5/16"-18 threads and Class 2A fit ensuring smooth installation and secure connections
- High-profile rounded head delivers improved clearance and professional appearance while distributing clamping force effectively
- Consistent performance backed by Rockwell B69 hardness for maintained structural integrity under repeated use
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
This zinc-plated steel rounded head slotted screw addresses critical engineering challenges in industrial assembly where corrosion resistance and mechanical reliability are paramount. The combination of high tensile strength (60,000 psi) and Rockwell B69 hardness ensures dependable performance in vibration-prone applications, while the fully threaded UNC coarse pattern provides maximum thread engagement for superior pull-out resistance. The slotted fillister head design offers excellent accessibility in confined spaces, making it ideal for machinery, electrical enclosures, and automotive components where durable fastening solutions must withstand environmental exposure and mechanical stress without compromising installation efficiency.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent installation performance. The UNC 5/16"-18 coarse threads comply with ASME B18.6.3 manufacturing specifications, while the zinc-plated steel construction meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards for safe industrial use worldwide.
