S-92453A115 4-40 x 1" 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 material, ideal for harsh environments and extending service life
- Excellent machinability and electrical conductivity for specialized applications in electronics and precision assemblies
- Reliable fastening strength with a tensile strength of 50,000 psi and Rockwell B40 hardness for durable, vibration-resistant connections
- Easy installation and removal with a standard slotted drive and rounded head design, reducing assembly time and tool wear
- Precise thread engagement ensured by Class 2A thread fit and coarse UNC threading, providing consistent performance and reducing cross-threading risks
- Full threading along the 1" length for maximum grip and versatility in various material thicknesses
- Compliance with industry standards including ASME B18.6.3, ensuring dimensional accuracy and interchangeability
Professional Applications & Engineering Value
These 4-40 UNC brass rounded head slotted screws are engineered to address common industrial challenges such as corrosion, electrical interference, and assembly efficiency. The brass material offers inherent resistance to rust and galvanic corrosion, making these screws ideal for marine, electrical, and plumbing applications where moisture is a concern. The fully threaded coarse UNC design and Class 2A thread fit ensure quick, secure fastening with reduced risk of stripping, while the slotted drive allows for easy manual or automated installation. Commonly used in industrial brass fasteners for machinery, electronic enclosures, and precision instruments, these screws provide a reliable, compliant solution that meets rigorous ASME B18.6.3 specifications for consistent performance.
Specification Summary & Compliance
This product adheres to Class 2A thread fit tolerances and UNC coarse thread standards, with a thread size of 4-40 and a length of 1 inch. Manufacturing and quality are governed by ASME B18.6.3 specifications, ensuring precise dimensions and reliable performance. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they are free from hazardous substances and suitable for global industrial use.
