S-91858A847 8-32 x 1/4" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments
• High tensile strength of 70,000 psi ensures reliable holding power in demanding applications
• Precision Class 2A thread fit guarantees consistent installation and secure fastening
• Fully threaded design provides maximum engagement along the entire 1/4" length
• 82° countersink angle with undercut head enables flush mounting and reduced stress concentration
• UNC coarse thread spacing allows for quick assembly and reduced cross-threading risk
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures regulatory adherence for global industrial use

Professional Applications & Engineering Value

This 8-32 UNC flat head screw in 316 stainless steel with a passivated finish addresses critical needs in corrosive or high-moisture environments, such as marine equipment, chemical processing, and food-grade machinery. The fully threaded design and coarse thread spacing enhance installation speed and grip strength, while the 82° countersink angle and undercut head profile minimize protrusion and distribute load effectively. Engineered to meet ASME B18.6.3 standards, it provides dependable performance where material integrity and regulatory compliance are paramount, reducing maintenance and replacement costs in industrial applications.

Specification Summary & Compliance

This screw features a Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It complies with ASME B18.6.3 for mechanical and dimensional requirements, RoHS 3 (2015/863/EU) for restricted substances, and REACH (EC 1907/2006) for chemical safety, supporting use in regulated industries worldwide.