S-94444A126 1/2"-13 x 2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head 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 corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Reliable coarse UNC threading ensures faster assembly and secure fastening in various materials
- Precise Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks
- External hex head design provides excellent torque transmission and easy installation with standard tools
- Partial threading configuration offers optimal clamping force and vibration resistance
- Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw delivers exceptional engineering value through its Black-Oxide 18-8 Stainless Steel construction, providing superior corrosion resistance that extends service life in demanding environments. The coarse thread design ensures rapid installation and reliable performance in structural applications, while the partially threaded configuration concentrates clamping force precisely where needed. With 80,000 psi tensile strength and Rockwell B70 hardness, this fastener withstands extreme mechanical stresses in heavy machinery, construction frameworks, and industrial equipment. The external hex drive facilitates high-torque installation without stripping, making it ideal for maintenance operations and production lines where reliability and quick assembly are critical.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 specifications with Class 2A thread fit tolerance ensuring dimensional accuracy and interchangeability. The 1/2"-13 UNC coarse thread maintains consistent pitch and diameter per industry standards. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming suitability for international industrial markets and environmentally conscious manufacturing operations.
