S-92845A561 1/4"-28 x 1/4" 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 industrial environments.
- Exceptional thread precision with Class 3A fit ensures reliable, vibration-resistant fastening in high-stress applications.
- Enhanced tip engagement due to the extended tip design (0.156" diameter), providing superior grip and component security.
- High durability and strength from Rockwell B80 hardness, resisting wear and deformation under load.
- Secure, flush installation with a headless and hex drive design, allowing for tamper-resistant and space-saving assemblies.
- Fine thread spacing offers better adjustment control and higher resistance to loosening compared to coarse threads.
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability.
Professional Applications & Engineering Value
This 1/4"-28 UNF Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 stainless steel, it provides excellent resistance to rust and chemical exposure, making it suitable for machinery, automotive, and outdoor equipment. The extended tip and fine thread spacing enhance grip on shafts and gears, reducing the risk of loosening under vibration. Its hex headless design allows for secure, flush mounting in confined spaces, while the right-hand thread ensures easy installation with standard tools. Ideal for precision assemblies requiring reliable, long-term fastening without frequent maintenance.
Specification Summary & Compliance
This set screw features a 1/4"-28 UNF fine thread with Class 3A thread fit for high precision and tight tolerances. It complies with ASME B18.3 manufacturing standards, ensuring dimensional accuracy and performance reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various industrial sectors.
