S-91781A198 8-32 x 7/8" 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
- Superior corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh environments.
- High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under significant load.
- Rockwell B80 hardness provides excellent durability and resistance to wear and deformation.
- Fully threaded design with Class 2A fit offers consistent engagement and ease of assembly.
- 82° countersink angle and flat head allows for a flush, secure fit in standard countersunk holes.
- Coarse UNC thread enables quick installation and reduced risk of cross-threading.
- Compliance with ASME B18.6.3, RoHS, and REACH guarantees quality, safety, and environmental standards.
Professional Applications & Engineering Value
This 8-32 UNC flat head screw is engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. The 18-8 stainless steel construction, combined with a passivated finish, provides exceptional resistance to rust and chemicals, making it suitable for demanding environments like marine, food processing, and outdoor equipment. The fully threaded design and coarse thread ensure rapid, secure installation in various materials, reducing assembly time and improving reliability. With an 82° countersink angle, it sits flush for smooth surfaces and enhanced safety. These flat head screws are ideal for applications requiring high-strength, corrosion-resistant fasteners that meet strict industry standards.
Specification Summary & Compliance
This screw adheres to precise dimensional tolerances, including Class 2A thread fit for consistent performance and UNC coarse threads per standard specifications. It is manufactured in compliance with ASME B18.6.3 for quality assurance and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards. The right-hand thread and fully threaded design support efficient fastening in industrial settings.
