S-91255A047 7/16"-14 x 1 1/4" ASTM F835 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior tensile strength of 120,000 psi ensures reliable performance in heavy-duty industrial applications, reducing the risk of fastener failure.
- Enhanced corrosion resistance from the Black-Oxide finish on Alloy Steel, extending service life in harsh environments and minimizing maintenance needs.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies, improving joint integrity in critical operations.
- High hardness rating (Rockwell C39) offers excellent wear resistance, maintaining thread integrity and durability under repetitive stress.
- Coarse UNC threading with full threading enables faster installation and stronger holding power in a variety of materials, boosting efficiency.
- Convenient 1/4" hex drive with a rounded button head design allows for easy tool access and a low-profile finish, reducing snagging risks.
- Compliance with major standards like ASME B18.3 and ASTM F835 ensures consistent quality and interoperability in regulated industries.
Professional Applications & Engineering Value
This Black-Oxide Alloy Steel Rounded Head Screw is engineered to address common industrial challenges, such as corrosion and vibration loosening. The Class 3A thread fit and coarse UNC threading provide superior grip and resistance to dynamic loads, making it ideal for machinery, automotive assemblies, and structural frameworks. Its fully threaded design ensures maximum engagement, while the hex drive and rounded head facilitate quick installation in confined spaces. By combining high tensile strength and hardness, this screw delivers long-term reliability in demanding environments, reducing downtime and maintenance costs for B2B clients.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 3A thread fit and UNC coarse thread spacing, ensuring accurate and repeatable fastening. It meets ASME B18.3 and ASTM F835 specifications for consistent performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe industrial use.
