S-90628A652 Length 4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with specialized coating extends service life in demanding industrial environments
• Integrated sealing washer creates reliable moisture and dust barriers while distributing clamping force evenly
• Self-drilling tip design eliminates pre-drilling requirements, saving installation time and labor costs
• External hex drive provides maximum torque transmission and prevents tool slippage during installation
• Thread forming technology creates stronger, more secure threads in steel and sheet metal substrates
• Full threading ensures consistent engagement and superior holding power along the entire fastener length
• RoHS 3 compliance guarantees environmental safety and regulatory acceptance for industrial applications

Professional Applications & Engineering Value

Engineered for steel and sheet metal fabrication, these corrosion-resistant coated steel tapping screws deliver exceptional performance in construction, HVAC, and industrial equipment assembly. The BSD thread forming design creates precise, durable threads without chip removal, while the No. 3 drill tip penetrates up to 0.21" thickness, eliminating secondary drilling operations. The steel/rubber sealing washer provides critical environmental protection against moisture ingress, making these external hex drive screws ideal for outdoor applications and corrosive environments where fastener integrity is paramount.

Specification Summary & Compliance

This 1/4"-14 fully threaded tapping screw features right-hand thread direction with thread forming technology per BSD standards. The fastener maintains precise dimensional accuracy with 3/8" hex head and 5/8" OD flat washer configuration. Manufactured from corrosion-resistant coated steel, the product is fully RoHS 3 (2015/863/EU) compliant for environmental safety and meets industrial fastener specifications for quality and performance consistency.