S-99663A413 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Enhanced torque transmission through the flanged hex head design, preventing tool slippage and ensuring secure fastening
• Dual-drive versatility with external hex/slotted options, providing flexibility for various installation tools and accessibility needs
• Reliable thread forming technology that creates strong, permanent threads in sheet metal without chip removal
• Full threading along the 1" length ensures maximum grip and uniform stress distribution across the entire engagement area
• Optimized for sheet metal applications with pointed tip for easy starting and specified drill bit compatibility
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

These 316 stainless steel flanged tapping screws deliver exceptional performance in demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming design eliminates the risk of loose fasteners by creating permanent, high-strength threads that won't vibrate loose under dynamic loads. The combination of external hex and slotted drive options provides installation flexibility for both high-torque assembly lines and maintenance scenarios. The flanged head distributes clamping force over a wider area, reducing the risk of material deformation in thin-gauge metals while providing superior resistance to pull-out forces. These characteristics make these industrial fasteners ideal for HVAC systems, electronic enclosures, automotive components, and marine equipment where environmental exposure and vibration resistance are critical concerns.

Specification Summary & Compliance

This No. 12 tapping screw features a 0.216" thread diameter with 11 threads per inch and 1" length in fully threaded configuration. Manufactured to precise dimensional standards with a flanged hex head (0.313" width, 0.194" height) and pointed tip for optimal performance in sheet metal up to 0.025" thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial regulatory adherence for global supply chains.