S-95639A447 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Excellent thread-forming capability creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time
• Streamlined oval head design with 82° countersink angle provides a flush, professional finish that eliminates snagging hazards
• Reliable Phillips No. 3 drive ensures secure tool engagement and prevents cam-out during high-torque applications
• Full threading along 1-1/4" length delivers maximum grip and holding power across the entire fastener engagement
• Comprehensive regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance
• Optimized for 0.1875" drill holes in sheet metal up to 0.025" thickness, providing precise fit and reduced material stress

Professional Applications & Engineering Value

These 316 stainless steel tapping screws are engineered specifically for sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming technology creates durable, tight-fitting threads that resist vibration loosening and maintain clamping force in dynamic environments. The Phillips oval head design with standard profile ensures smooth, flush installation that enhances both aesthetic appeal and safety in finished products. Ideal for HVAC systems, electronic enclosures, and architectural metalwork, these fully threaded screws provide reliable performance in marine, chemical, and food processing industries where 316 stainless steel's enhanced molybdenum content offers superior protection against pitting and crevice corrosion.

Specification Summary & Compliance

Manufactured to precise dimensional standards with No. 12 thread diameter (0.216") and 11 threads per inch configuration. Features standard oval head profile with 0.412" diameter and 0.2" head height, designed for 82° countersink angle compatibility. The thread forming (Type A/AB) tapping method ensures consistent performance in sheet metal applications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial fasteners.