S-95560A117 1/4"-20 x 1" Stainless Steel Oversized-Flange Button Head Hex-Drive Screws
Stainless Steel Oversized-Flange Button Head Hex-Drive 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 316 stainless steel construction, ideal for harsh or marine environments
- High mechanical strength with 80,000 PSI tensile strength and Rockwell B85 hardness for reliable load-bearing performance
- Secure and efficient installation using a 5/32" hex drive, preventing cam-out and ensuring precise torque application
- Excellent thread engagement with fully threaded UNC coarse threads and Class 2A fit for quick assembly and vibration resistance
- Enhanced load distribution thanks to the flanged design and wide rounded button head, reducing surface pressure and material stress
- Regulatory compliance assurance with RoHS 3 and REACH standards, meeting strict environmental and safety requirements
- Versatile right-hand coarse threading for standard industrial applications and easy identification in fastening systems
Professional Applications & Engineering Value
This 316 stainless steel rounded head screw is engineered to address common industrial challenges, such as fastener failure in corrosive settings and the need for rapid, secure assembly. Its flanged design and wide button head profile distribute clamping force effectively, minimizing the risk of surface damage and loosening under vibration. The fully threaded 1/4"-20 UNC coarse thread with Class 2A fit ensures consistent engagement and high pull-out strength, while the hex drive (5/32") allows for straightforward installation in confined spaces. Ideal for machinery, marine equipment, and chemical processing applications, this screw provides long-term reliability and reduces maintenance costs in demanding environments.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and interchangeability. It is manufactured from 316 stainless steel with a tensile strength of 80,000 PSI and Rockwell B85 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets current environmental and health safety standards for industrial use.
