S-90280A197 8-32 x 3/4" 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
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
- High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for reliable load-bearing applications
- Precision thread engagement through Class 2A fit and UNC coarse threading, ensuring secure fastening and vibration resistance
- Optimized drive efficiency with slotted Fillister head design, providing enhanced torque transmission and reduced cam-out risk
- Full-threaded length coverage for maximum grip strength and uniform stress distribution across the entire 3/4" shaft
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
- Versatile rounded head profile offering smooth surface finish and reduced snagging in assembled applications
Professional Applications & Engineering Value
Engineered for precision industrial fastening, this zinc-plated steel screw combines material durability with mechanical excellence. The 8-32 UNC coarse thread configuration delivers rapid installation and superior holding power in metal assemblies, electronic enclosures, and machinery components. The Fillister head with slotted drive accommodates standard tools while the rounded profile minimizes protrusion in compact spaces. With full threading along the 3/4" length, it ensures consistent clamping force distribution, addressing common challenges of joint loosening under dynamic loads. The zinc plating provides essential corrosion resistance for manufacturing facilities, automotive applications, and outdoor equipment where environmental exposure is a concern.
Specification Summary & Compliance
This rounded head screw maintains precise Class 2A thread fit tolerances per UNC standards with coarse thread spacing. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restricted substance adherence for global industrial applications.
