S-90198A144 Length 3/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for extended service life in harsh environments
• Excellent holding power through thread forming technology that creates strong, permanent threads in sheet metal
• Optimal flush installation with undercut flat head design and 82° countersink angle for smooth surface finish
• Enhanced driving efficiency with Phillips No. 2 drive style for secure tool engagement and reduced cam-out
• Maximum thread engagement through fully threaded design for superior load distribution and vibration resistance
• Precision compatibility with standard No. 32 drill bit (0.116" diameter) for accurate hole preparation
• Environmental compliance meeting RoHS 3 and REACH standards for sustainable manufacturing practices

Professional Applications & Engineering Value

These 316 stainless steel 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 tapping operations while creating strong, strip-resistant threads that maintain integrity under vibration and load stress. The undercut flat head profile ensures proper seating in 82° countersunk holes, providing a flush finish that prevents snagging and improves aesthetic appeal. Engineered for sheet metal up to 0.025" thickness, these Phillips drive screws offer predictable installation with standard No. 32 drill bits, making them ideal for HVAC systems, electronic enclosures, automotive components, and industrial equipment where environmental exposure demands superior corrosion protection.

Specification Summary & Compliance

This No. 6 x 3/8" tapping screw features a 0.138" thread diameter with 18 TPI right-hand threading and fully threaded shank design. The flat head measures 0.262" in diameter with 0.059" height, engineered for standard 82° countersink applications. Manufactured to precise dimensional standards for consistent performance, these thread forming screws comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet current industry requirements for hazardous substance restrictions and chemical safety standards.