S-97763A265 1/4"-20 x 3/4" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel 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
- Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments and reducing maintenance costs.
- Superior tensile strength of 70,000 psi ensures reliable performance under high-stress conditions, minimizing the risk of fastener failure.
- Precise Class 3A thread fit delivers tight, secure connections with reduced risk of loosening in vibration-prone applications.
- Fully threaded UNC coarse spacing allows for faster installation and improved grip in a variety of materials, boosting assembly efficiency.
- Hex drive (5/32") and rounded button head design provides easy tool access and a low-profile, aesthetically pleasing finish that reduces snagging.
- Rockwell B55 hardness offers excellent durability and wear resistance, extending the screw's service life in demanding uses.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global sourcing.
Professional Applications & Engineering Value
This 1/4"-20 x 3/4" Black-Oxide 18-8 Stainless Steel Rounded Head Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly speed. The Black-Oxide coating on 18-8 Stainless Steel enhances surface protection in moist or chemical-exposed settings, while the fully threaded UNC coarse spacing and Class 3A thread fit provide superior holding power in metals, plastics, and wood. Its hex drive and rounded button head design facilitate quick installation in tight spaces, making it ideal for machinery, automotive, and electrical enclosures where reliability and efficiency are critical.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy, ensuring consistent performance. Manufactured in accordance with ASME B18.3 specifications, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial use.
