S-91781A084 2-56 x 3/4" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads
• Class 2A thread fit and UNC coarse threading provides smooth assembly and secure holding power in various materials
• Full threading along the 3/4" length allows for maximum engagement and adjustable positioning in applications
• Standard 82° countersink angle and flat head design enables flush mounting for clean, professional finishes
• Rockwell B80 hardness offers excellent durability and resistance to wear during installation and use
• Compliance with ASME B18.6.3, RoHS, and REACH ensures quality, safety, and environmental responsibility

Professional Applications & Engineering Value

This 2-56 UNC flat head slotted screw in 18-8 stainless steel is engineered to address critical fastening challenges in industrial settings. The passivated finish significantly enhances corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor elements, such as machinery assembly, electronic enclosures, and automotive components. Its fully threaded design and coarse UNC thread facilitate quick installation and strong grip in soft metals or plastics, reducing the risk of stripping. The flat head with standard profile and 82° countersink ensures a seamless fit, preventing protrusions that could interfere with moving parts or aesthetic requirements. With a tensile strength of 80,000 psi and compliance with ASME B18.6.3, this screw delivers consistent performance in high-stress environments, minimizing downtime and maintenance costs for B2B buyers.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threads with a diameter of 0.086", ensuring dimensional accuracy for reliable fastening. It meets ASME B18.6.3 manufacturing standards, guaranteeing consistent quality and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.