S-92311A279 4-48 x 5/8" ASME B18.3 Set Screws
Set 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, ideal for harsh environments and extended service life.
- Exceptional thread precision with Class 3A fit ensures tight, reliable fastening and minimal backlash in fine-thread applications.
- Enhanced grip and anti-loosening from the cup point design, providing secure positioning in assemblies under vibration.
- High durability and strength backed by Rockwell B80 hardness, resisting wear and deformation under load.
- Easy installation and removal with a 0.050" hex drive, allowing efficient maintenance in confined spaces due to the headless design.
- Broad compliance assurance meeting ASME B18.3 standards, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Optimized for fine-thread use with 4-48 UNF right-hand threads, delivering precise adjustments in machinery and electronics.
Professional Applications & Engineering Value
This 4-48 UNF set screw is engineered to address critical fastening challenges in industries like precision machinery, electronics, and automotive assemblies. Made from 18-8 stainless steel, it offers excellent corrosion resistance, reducing failure risks in humid or corrosive settings. The hex headless and cup point design ensures a firm grip on shafts and components, preventing slippage under dynamic loads. With a Class 3A thread fit and fine thread spacing, it provides high clamping force and accuracy, essential for applications requiring minimal play. Compliant with ASME B18.3, it guarantees reliability in high-stress environments, making it a trusted choice for engineers seeking durable, RoHS and REACH compliant fasteners.
Specification Summary & Compliance
This set screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for precise UNF fine threads (4-48 size). It features a length of 5/8", hex drive size of 0.050", and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance control.
