S-92949A645 3/8"-16 x 5" 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
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Exceptional tensile strength rated at 70,000 psi, ensuring reliable performance under heavy loads and vibration.
- Precision Class 3A thread fit for secure, tight fastening with minimal risk of loosening in critical assemblies.
- Easy installation and removal with a 7/32" hex drive and rounded button head design, reducing tool slippage and damage.
- Full 5" threading provides maximum grip and load distribution along the entire fastener length.
- Consistent hardness at Rockwell B55 maintains structural integrity and resists wear over repeated use.
- Broad compliance with ASME B18.3, RoHS, and REACH standards, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
This 3/8"-16 UNC coarse thread screw is engineered for demanding industrial applications where reliability and durability are paramount. The 18-8 stainless steel material combined with a passivated finish offers excellent resistance to oxidation and chemical exposure, making it suitable for machinery, structural frameworks, and outdoor equipment. The rounded button head and hex drive facilitate quick, tool-friendly installation in confined spaces, while the Class 3A thread fit ensures precise engagement, reducing the risk of cross-threading and assembly failures. With a fully threaded design and high tensile strength, it provides uniform clamping force and vibration resistance, ideal for heavy-duty fastening in construction, automotive, and manufacturing sectors.
Specification Summary & Compliance
This screw adheres to Class 3A thread tolerance for superior fit and meets ASME B18.3 specifications. It features a 3/8"-16 UNC coarse thread with a right-hand direction and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.
