S-97763A360 5/16"-18 x 1" 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
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Class 3A thread fit provides superior precision and secure fastening in demanding applications
- 3/16" hex drive design allows for easy installation and removal with standard tools, reducing assembly time
- Fully threaded coarse UNC pattern offers quick engagement and strong holding power in various materials
- Rockwell B55 hardness maintains thread integrity and resists wear over repeated use
- Compliance with ASME B18.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met
Professional Applications & Engineering Value
This 5/16"-18 UNC hex drive rounded head screw is engineered to address common industrial challenges, such as corrosion and mechanical stress. The black-oxide 18-8 stainless steel construction provides excellent protection against rust and chemical exposure, making it suitable for outdoor equipment, machinery, and automotive assemblies. Its coarse thread design and Class 3A thread fit ensure quick, secure fastening in metals and plastics, reducing the risk of stripping and improving assembly efficiency. The rounded button head offers a low-profile finish that minimizes snagging, while the fully threaded right-hand configuration delivers consistent clamping force. Ideal for applications requiring high strength and durability, this screw meets rigorous standards to support reliable performance in manufacturing, construction, and maintenance operations.
Specification Summary & Compliance
This product features precise Class 3A thread fit with UNC coarse threading (5/16"-18) and a right-hand thread direction. It adheres to ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality assurance for industrial use.
