S-94105A351 1/4"-20 x 7/16" ASME B18.3, ASTM F912 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 black-oxide coating, extending service life in harsh industrial environments.
- Exceptional thread engagement and holding power due to UNC coarse thread spacing, preventing loosening under vibration.
- High-strength performance from alloy steel with Rockwell C45 hardness, ensuring reliable, long-term fastening.
- Precise and secure installation with a 1/8" hex drive and headless design, ideal for confined spaces.
- Guaranteed dimensional accuracy with Class 3A thread fit, providing consistent quality and interchangeability.
- Effective component positioning with a flat tip design, minimizing surface damage and providing stable locking.
- Compliance with global standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 1/4"-20 UNC Class 3A set screw delivers reliable performance in machinery, automotive assemblies, and precision equipment. The black-oxide alloy steel construction offers enhanced corrosion resistance, reducing maintenance needs in humid or corrosive settings. Its coarse thread spacing ensures quick installation and superior resistance to vibrational loosening, a common challenge in dynamic systems. The headless design with a hex drive allows for flush mounting in tight spaces, while the flat tip provides secure contact without marring shafts or components. By meeting ASME B18.3 specifications, it guarantees precision and durability, making it a trusted choice for engineers seeking efficient, long-lasting fastening solutions.
Specification Summary & Compliance
This set screw adheres to strict dimensional tolerances, including a Class 3A thread fit for high precision and a UNC coarse thread profile. It conforms to ASME B18.3 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.
