S-91775A652 Length 7/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide Steel finish, extending service life in demanding industrial environments.
• Efficient thread forming design creates strong, permanent threads in sheet metal, eliminating the need for pre-tapped holes and reducing assembly time.
• Secure and flush installation with the standard oval head and 82° countersink angle, providing a smooth finish and preventing snagging.
• Reliable drive engagement from the No. 2 Phillips drive, minimizing cam-out and ensuring consistent torque application.
• Full threading along the 7/8" length offers maximum grip and holding power across the entire fastened material thickness.
• Optimized for 0.025" maximum drilling thickness in sheet metal, ensuring precise and durable fastening in targeted applications.
• Compliance with RoHS 3 and REACH environmental regulations, ensuring safety and suitability for global industrial supply chains.

Professional Applications & Engineering Value

These thread forming tapping screws are engineered to solve common fastening challenges in sheet metal assemblies. The A/AB tapping screw type with a thread forming method displaces material to create robust internal threads, reducing the risk of stripping and providing excellent vibration resistance. Made from Black-Oxide Steel, they offer enhanced durability and corrosion protection, which is critical in industrial and construction settings. The Phillips oval head design allows for a countersunk finish, maintaining aerodynamic and aesthetic surfaces while the No. 2 Phillips drive ensures easy installation with standard tools. Ideal for HVAC, electronic enclosures, and automotive panels, these screws deliver reliable performance where precision and strength are paramount.

Specification Summary & Compliance

This product adheres to standard inch measurements with a thread diameter of 0.138" and 18 TPI fully threaded design. It is manufactured to common industrial specifications for oval head tapping screws, including standard head profile and drive sizes. The screws are RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring they meet stringent environmental and safety standards for hazardous substances, making them suitable for regulated industrial and commercial applications.