S-94444A125 1/2"-13 x 1 3/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head 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 80,000 PSI ensures reliable performance under heavy loads and vibration
- Rockwell B70 hardness provides superior durability and resistance to wear over time
- Coarse UNC threading with Class 2A fit allows for quick assembly and secure fastening in various materials
- External hex drive design offers easy installation and removal with standard tools, reducing labor time
- Partial threading enables precise clamping force control for specific joint requirements
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global applications
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw is engineered to address critical challenges in industrial settings, such as corrosion-induced failures and high-stress demands. Constructed from Black-Oxide 18-8 Stainless Steel, it combats rust and chemical exposure in outdoor or humid conditions, extending service life in machinery, construction, and marine applications. The coarse thread and partial threading design enhance grip in soft materials and allow for adjustable clamping, reducing the risk of loosening under dynamic loads. With an 80,000 PSI tensile strength and Rockwell B70 hardness, it withstands heavy-duty operations, making it a reliable choice for structural assemblies, equipment frames, and automotive components where durability and compliance with ASME B18.2.1 standards are paramount.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring consistent engagement and tolerance. Dimensions include a thread size of 1/2"-13, length of 1 3/4", and head width of 3/4". It adheres to ASME B18.2.1 for manufacturing consistency and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming it is free from hazardous substances and suitable for regulated industries.
