S-91781A716 1/2"-13 x 1 1/2" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted Flat 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments and long-term reliability.
- High tensile strength of 80,000 PSI ensures secure, durable fastening in demanding industrial applications.
- Rockwell B80 hardness provides excellent wear resistance and maintains thread integrity under stress.
- Class 2A thread fit with UNC coarse threading allows for easier, faster assembly and reduced risk of cross-threading.
- Fully threaded design offers maximum grip and holding power along the entire screw length.
- Standard 82° countersink angle and flat head enables a flush, clean finish for streamlined assemblies.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees consistent quality and environmental safety for regulated industries.
Professional Applications & Engineering Value
This 1/2"-13 UNC flat head slotted screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and material degradation. The 18-8 stainless steel material, enhanced by a passivated finish, provides superior resistance to rust and chemical exposure, making it suitable for outdoor equipment, marine hardware, and food processing machinery. The coarse UNC thread and Class 2A fit facilitate quick installation while maintaining alignment, reducing labor time and errors. With an 80,000 PSI tensile strength and full threading, it ensures reliable performance in structural applications, from heavy machinery to construction projects, where failure is not an option.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 2A thread fit and UNC coarse thread specifications, ensuring compatibility and ease of use. It is manufactured in compliance with ASME B18.6.3 for consistent quality and performance. Additionally, the product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global supply chains.
