S-92765A353 1/4"-28 x 3/8" 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 demanding industrial environments.
- Exceptional holding power due to Class 3A thread fit, ensuring precise, vibration-resistant fastening in critical assemblies.
- High-strength durability from Rockwell C45 hardened alloy steel, resisting wear and deformation under heavy loads.
- Secure, flush installation with headless design and oval tip, preventing protrusion and providing smooth surface contact.
- Easy installation and removal using the 1/8" hex drive, allowing efficient maintenance in confined spaces.
- Reliable fine thread engagement with 1/4"-28 UNF threads, offering improved adjustment accuracy and load distribution.
- Broad compliance assurance meeting ASME B18.3, ASTM F912, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This black-oxide alloy steel set screw is engineered to address common industrial challenges like component slippage and corrosion-induced failure. Its headless design and oval tip provide secure, flush mounting in machinery, automotive, and aerospace applications, minimizing obstruction and wear. The Class 3A thread fit and UNF fine threads ensure tight tolerances and vibration resistance, crucial for precision equipment and rotating assemblies. Made from hardened alloy steel with Rockwell C45 hardness, it withstands high-stress conditions, while the black-oxide surface treatment enhances durability in humid or corrosive environments. Ideal for securing gears, pulleys, and collars, this screw delivers reliable performance where exact alignment and long-term stability are paramount.
Specification Summary & Compliance
This set screw features a 1/4"-28 UNF fine thread with Class 3A fit for high precision and right-hand thread direction. Dimensions include a 3/8" length and 1/8" hex drive. It complies with ASME B18.3 and ASTM F912 specifications, ensuring consistent manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety standards for industrial use.
