S-92240A561 1/4"-20 x 4 1/2" 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 environments and reducing maintenance costs
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and prevents fastener failure
- Coarse UNC threading with Class 2A fit provides quick assembly and superior vibration resistance in industrial applications
- Full threading along the 4 1/2" length offers maximum grip and adjustability across the entire fastener
- External hex drive design allows for high-torque installation with standard tools, speeding up assembly processes
- Rockwell B70 hardness maintains thread integrity and durability against wear and deformation
- Compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 18-8 stainless steel hex head screws provide a robust fastening solution where corrosion resistance and structural integrity are paramount. The coarse UNC thread and Class 2A fit ensure rapid installation and reliable performance in machinery, structural frames, and heavy equipment, minimizing the risk of loosening under vibration. With a high tensile strength of 80,000 PSI and full threading, they deliver consistent clamping force over the entire 4 1/2" length, making them ideal for thick materials and critical assemblies. The external hex drive facilitates efficient torque application, reducing assembly time while maintaining precise ASME B18.2.1 specifications for dependable performance in B2B procurement scenarios.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances for consistent engagement and meets ASME B18.2.1 dimensional standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The UNC coarse thread and right-hand direction follow industry norms for reliable fastening in various engineering contexts.
