S-92453A121 4-40 x 2" 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 humid or corrosive environments.
- Excellent tensile strength of 50,000 PSI provides secure, durable fastening for demanding industrial applications.
- Rockwell B40 hardness offers enhanced durability and resistance to wear and deformation under load.
- Class 2A thread fit with UNC coarse threading ensures easy, quick assembly and reliable engagement in various materials.
- Fully threaded 2" length allows for maximum grip and adjustability across the entire fastener.
- Slotted rounded head design facilitates straightforward installation with standard screwdrivers, reducing assembly time.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to strict quality, safety, and environmental standards.
Professional Applications & Engineering Value
These 4-40 UNC brass rounded head slotted screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The brass material inherently resists rust and galvanic corrosion, making these screws ideal for electrical enclosures, marine equipment, and plumbing systems where moisture exposure is a concern. The coarse UNC threads and Class 2A thread fit provide reliable holding power in soft materials like wood and plastic, while the slotted drive ensures compatibility with standard tools for quick maintenance. With a 50,000 PSI tensile strength and Rockwell B40 hardness, they withstand mechanical stress in automotive, HVAC, and machinery assemblies, reducing failure risks and downtime.
Specification Summary & Compliance
These screws feature precise Class 2A thread fit per UNC standards, ensuring consistent dimensional accuracy and easy assembly. Manufacturing adheres to ASME B18.6.3 specifications for reliability. They are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they are free from hazardous substances and safe for various industrial uses.
