S-98164A513 12-24 x 1/2" ASTM F879 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 316 stainless steel construction and passivated finish, ideal for harsh chemical and marine environments.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress.
- Precise and secure fastening ensured by Class 3A thread fit and UNC coarse thread spacing, reducing cross-threading and providing consistent engagement.
- Efficient installation and removal with a 1/8" hex drive and rounded button head design, allowing for easy access and torque application in confined spaces.
- Full thread coverage along the 1/2" length ensures maximum grip and load distribution across the entire fastener.
- Compliance with rigorous industry standards including ASTM F879, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.
- Durable, long-lasting performance in demanding applications due to high-quality material and precise manufacturing.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 316 stainless steel rounded head screws provide outstanding resistance to corrosion and oxidation, making them perfect for chemical processing, marine equipment, and outdoor structures. The UNC coarse thread and Class 3A thread fit ensure quick assembly and high vibration resistance, reducing maintenance downtime. With a hex drive and rounded button head, installation is streamlined in tight spaces, while the fully threaded design offers uniform stress distribution. Ideal for machinery, electrical enclosures, and structural assemblies, these screws deliver reliable high tensile strength and longevity, meeting strict ASTM F879 specifications for consistent quality.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC coarse thread spacing (12-24 size). It is manufactured in compliance with ASTM F879 and meets environmental regulations such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring no hazardous substances are used. The passivated finish enhances corrosion resistance, supporting use in regulated industrial applications.
