S-92240A112 1/4"-28 x 2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Superior tensile strength rated at 80,000 psi for reliable performance in demanding applications
- Precision UNF fine threading with Class 2A fit ensures secure fastening and vibration resistance
- Full threading along the 2" length provides maximum grip and load distribution
- External hex drive design allows for easy installation with standard tools and high torque application
- Consistent hardness (Rockwell B70) maintains structural integrity under repeated stress
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH for quality assurance
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw delivers critical reliability in industrial settings where corrosion resistance and mechanical strength are paramount. The UNF fine thread configuration with Class 2A fit provides superior resistance to loosening under vibration, making it ideal for machinery, automotive assemblies, and structural frameworks. The fully threaded 2" length ensures maximum engagement in thick materials, while the external hex drive facilitates quick installation with common tools. Engineered to withstand extreme conditions, these hex head screws maintain their 80,000 psi tensile strength even in corrosive environments, reducing maintenance frequency and downtime in heavy-duty fastening applications.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with 1/4"-28 UNF fine threads and Class 2A thread fit tolerance for consistent performance. Complies with ASME B18.2.1 manufacturing specifications, RoHS 3 (2015/863/EU) for restricted substances, and REACH (EC 1907/2006) regulations for chemical safety. The screw features fully threaded design with right-hand thread direction and meets all stated mechanical properties including Rockwell B70 hardness and 80,000 psi tensile strength.
