S-92453A117 4-40 x 1 1/4" 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, ensuring long-term reliability in harsh environments
- Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for demanding applications
- Precision thread engagement with Class 2A thread fit for secure fastening and vibration resistance
- Easy installation and removal with standard slotted drive design and fully threaded shank
- Broad compatibility with UNC coarse threading (4-40) matching common industrial components
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards
- Optimized head design with rounded profile for reduced snagging and improved aesthetic integration
Professional Applications & Engineering Value
These 4-40 UNC brass slotted rounded head screws deliver critical performance advantages in electrical enclosures, marine hardware, and precision instrumentation where corrosion resistance is paramount. The brass material inherently resists galvanic corrosion and oxidation, while the Class 2A thread fit ensures consistent engagement without binding. The fully threaded design provides maximum grip length for secure fastening in thin materials or deep tapped holes. With coarse thread spacing and slotted drive, these screws offer quick assembly and disassembly for maintenance-intensive applications, making them ideal for industrial fastening solutions requiring both durability and accessibility.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision engagement. Features 4-40 UNC coarse threads with right-hand direction and standard rounded head profile. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensions include 1-1/4" length, 0.211" head diameter, and 0.086" head height for consistent application across standard industrial requirements.
