S-92453A113 4-40 x 3/4" ASME B18.6.3 Brass Round Head Slotted Screws
Brass Round 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 from high-quality brass construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for reliable load-bearing performance
- Precision thread engagement with Class 2A fit and 4-40 UNC coarse threading ensuring secure fastening and vibration resistance
- Easy installation and removal through standard slotted drive design compatible with common hand tools
- Full-length threading providing maximum grip and uniform stress distribution across the entire fastener length
- Regulatory compliance assurance meeting ASME B18.6.3 manufacturing standards and environmental regulations (RoHS 3, REACH)
- Optimized head design with rounded profile for reduced surface protrusion and improved aesthetic integration
Professional Applications & Engineering Value
These brass slotted round head screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and electrical conductivity are paramount. The 4-40 UNC coarse threading with Class 2A fit ensures rapid assembly and reliable thread engagement in soft materials and pre-tapped holes, while the fully threaded design maximizes holding power in variable material thicknesses. The combination of 50,000 psi tensile strength and Rockwell B40 hardness provides exceptional durability against mechanical stress and wear, making these fasteners ideal for electrical enclosures, marine equipment, and precision instrumentation where vibration resistance and long-term reliability are essential.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 standards with precision Class 2A thread fit for consistent dimensional accuracy. Features 4-40 UNC coarse threads with right-hand direction and full threading along the 3/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries and international markets.
