S-92949A724 1/2"-13 x 3" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless 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
- Exceptional corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments
- Superior load-bearing capability from 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Precise, reliable fastening ensured by Class 3A thread fit and UNC coarse spacing, reducing assembly errors
- Easy installation and removal with 5/16" hex drive and rounded button head design, minimizing tool slippage
- Full thread engagement across the 3" length provides consistent clamping force in thick materials
- Compliance with major standards including ASME B18.3, RoHS 3, and REACH for quality assurance and environmental safety
- Durable, long-lasting performance in demanding applications due to robust material and precise manufacturing
Professional Applications & Engineering Value
Engineered for industrial machinery, structural assemblies, and heavy equipment, this 1/2"-13 UNC coarse thread screw addresses critical challenges in high-vibration and corrosive environments. The 18-8 stainless steel construction combined with a passivated finish significantly enhances resistance to rust and chemical exposure, extending service life in outdoor or humid settings. Its fully threaded design and Class 3A thread fit ensure tight, secure connections that withstand dynamic loads, reducing maintenance needs and downtime. The rounded head with hex drive allows for efficient torque application in confined spaces, making it a reliable choice for B2B procurement seeking durable, compliant fasteners.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit and UNC coarse thread standards with precise dimensions: 1/2"-13 thread size, 3" length, and 5/16" hex drive. It meets ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for professional use.
