S-90344A123 8-32 x 1 1/4" ASTM A574 Socket Head Screws with Flat Washer
Socket Head Screws with Flat Washer
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
- Black-oxide finish on alloy steel provides enhanced corrosion resistance and a durable, non-reflective surface suitable for various industrial environments.
- Integrated flat washer distributes load evenly, minimizing surface damage and improving joint integrity without needing separate components.
- Class 3A thread fit offers precise, tight tolerances for secure fastening and vibration resistance in critical assemblies.
- Partially threaded design allows for controlled clamping force and easier alignment in precision machinery and equipment.
- Hex socket drive enables high-torque installation with standard tools, reducing slippage and enhancing assembly efficiency.
- Compliance with ASTM A574, RoHS 3, and REACH ensures adherence to industry standards for quality, safety, and environmental regulations.
Professional Applications & Engineering Value
Engineered for industrial applications, this 8-32 UNC thread socket head cap screw with a black-oxide alloy steel construction addresses common challenges like corrosion and mechanical stress. The coarse thread spacing and right-hand thread facilitate quick installation in metals and plastics, while the Rockwell C39 hardness ensures long-term durability against wear. Ideal for machinery, automotive, and assembly lines, the partially threaded rod design provides precise engagement, reducing the risk of cross-threading. Paired with a flat washer, it enhances load distribution, preventing loosening under vibration and extending service life in high-performance settings.
Specification Summary & Compliance
This screw features a 1 1/4" length with a min thread length of 7/8", UNC thread type, and Class 3A thread fit for high precision. It meets ASTM A574 specifications for alloy steel socket head cap screws, ensuring consistent quality. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety standards for global industrial use.
