S-91700A540 1/4"-20 x 3/4" ASME B18.6.3 Brass Slotted Oval Head Screws
Brass Slotted Oval Head 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 moisture-prone applications
- Reliable fastening performance with 50,000 psi tensile strength and Rockwell B50 hardness for secure, long-lasting connections
- Easy installation and removal with standard slotted drive and right-hand coarse (UNC) threading, reducing assembly time
- Precise thread fit with Class 2A tolerance ensuring smooth engagement and consistent clamping force
- Enhanced aesthetic integration due to the oval head profile, providing a flush finish in countersunk applications
- Full regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, industry-approved use
- Versatile inch-system sizing with 1/4"-20 thread and 3/4" length, compatible with a wide range of industrial components
Professional Applications & Engineering Value
This brass oval head slotted screw is engineered to address common industrial challenges, such as corrosion in electrical, marine, and plumbing systems. The UNC coarse threading and Class 2A thread fit provide quick, secure fastening with reduced cross-threading risks, while the fully threaded design ensures uniform load distribution. Its Rockwell B50 hardness and 50,000 psi tensile strength deliver dependable performance in vibration-prone environments. The oval head sits flush when installed, minimizing protrusion and improving safety in machinery and consumer products. Ideal for corrosion-resistant fastening in OEM assemblies, this screw meets rigorous ASME B18.6.3 specifications for dimensional accuracy and reliability.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances and UNC coarse thread standards, with precise dimensions including a 1/4"-20 thread size and 3/4" length. Manufacturing follows ASME B18.6.3 specifications for oval head slotted screws. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance-free composition.
