S-99663A318 Length 5/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh industrial environments
• Efficient thread forming design creates precise mating threads without chips, ensuring secure fastening in sheet metal applications
• Integrated flange eliminates need for separate washers, reducing assembly time and component count
• External hex/slotted drive compatibility provides versatile installation options with standard tools
• Fully threaded shank delivers maximum grip length and uniform load distribution across the entire fastener
• Precision-pointed tip facilitates easy starting and accurate alignment during installation
• Comprehensive regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance

Professional Applications & Engineering Value

These 316 stainless steel flanged hex head tapping screws are engineered specifically for demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming technology eliminates the risk of metal shavings contaminating sensitive equipment while creating stronger, more reliable threads through material displacement rather than removal. The combination of external hex drive for high-torque applications and slotted compatibility for precision adjustments makes these self-tapping screws ideal for HVAC systems, electronic enclosures, and industrial machinery assembly. The integrated flange provides superior load distribution, preventing pull-through in thin gauge materials while simplifying inventory management by eliminating separate washers.

Specification Summary & Compliance

This No. 10-12 x 5/8" tapping screw features precision Class 2A thread tolerances with 12 TPI thread pitch and 0.19" thread diameter. Manufactured to tapping screw Type A/AB standards for thread forming applications, it requires a No. 21 drill bit (0.159" diameter) and accommodates maximum drilling thickness of 0.025". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial distribution.