S-91775A760 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide Steel finish, extending service life in demanding industrial environments.
• Excellent holding power through thread forming design that creates strong, permanent threads in sheet metal without pre-tapping.
• Clean, finished appearance with standard oval head profile that sits flush with material surface for professional results.
• Efficient installation with No. 2 Phillips drive providing secure tool engagement and reduced cam-out risk.
• Precision compatibility with No. 21 drill bit (0.159" diameter) for optimal fit in 0.025" maximum thickness sheet metal.
• Reliable thread engagement with 12 threads per inch and fully threaded design for maximum fastening strength.
• Wide application versatility as A/AB type tapping screws specifically engineered for various sheet metal assemblies.

Professional Applications & Engineering Value

These Black-Oxide Steel oval head Phillips tapping screws deliver exceptional performance in sheet metal applications where corrosion resistance and reliable fastening are critical. The thread forming technology eliminates the need for separate tapping operations, creating strong, permanent threads that won't loosen under vibration. The 82° countersink angle ensures proper seating in prepared holes, while the No. 2 Phillips drive provides secure tool engagement for efficient installation. Engineered for use with No. 21 drill bits, these screws are ideal for HVAC systems, electronic enclosures, automotive components, and industrial equipment where maximum drilling thickness of 0.025" is required. The combination of thread forming capability and corrosion-resistant finish makes these fasteners perfect for demanding environments where durability and long-term performance are essential.

Specification Summary & Compliance

These precision No. 10 x 3/4" tapping screws feature a 0.19" thread diameter with 12 threads per inch and fully threaded design for consistent performance. Manufactured as A/AB type thread forming screws with right-hand threading and pointed tip for easy starting. The screws maintain dimensional accuracy with standard oval head profile (0.312" diameter) and are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.