S-92949A899 3-48 x 5/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 with 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability in demanding applications.
- Precise Class 3A thread fit guarantees tight tolerances and secure fastening, reducing the risk of loosening.
- Hex drive design (1/16") provides easy installation and high torque resistance, minimizing tool slippage.
- Fully threaded coarse spacing allows for quick assembly and strong holding power in various materials.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety.
- Rounded button head profile offers a low-profile, aesthetically pleasing finish while reducing snagging risks.
Professional Applications & Engineering Value
These 3-48 UNC rounded head screws are engineered to address critical challenges in industrial settings, such as vibration resistance and corrosion in machinery, electronics, and automotive assemblies. Made from 18-8 stainless steel with a passivated finish, they excel in environments exposed to moisture and chemicals, preventing rust and extending service life. The coarse thread spacing and Class 3A thread fit ensure rapid, secure installations in soft materials or where high-strength retention is needed. With a hex drive for efficient torque application, these screws reduce assembly time and maintenance costs, making them ideal for high-performance industrial fasteners in OEM and MRO applications.
Specification Summary & Compliance
This product features precise dimensions, including a thread size of 3-48 UNC with Class 3A thread fit for superior accuracy. It adheres to ASME B18.3 manufacturing standards, ensuring consistent quality and reliability. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory adherence for global industrial use.
