S-99397A436 Length 5 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for humid or demanding environments.
• Enhanced torque transmission and reduced cam-out thanks to the Torx Plus drive (IP10/T10) for secure, efficient installation.
li>Reliable thread forming in plastics with the TRS Tri-Lobe shank design, minimizing stress and preventing material cracking.
• Optimized for plastic assemblies with a 1.27mm pitch and blunt tip for smooth engagement and strong, lasting hold.
• Broad compatibility and easy installation using a standard No. 37 drill bit (0.104" diameter).
• Secure, low-profile fastening with a rounded pan head design that sits neatly on surfaces.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards for safe, sustainable use.

Professional Applications & Engineering Value

This M3.12 x 5mm Torx Plus TRS thread forming screw is engineered specifically for plastic fastening challenges, where traditional screws can cause cracking or stripping. The Tri-Lobe shank and thread forming design displace material gently, creating strong, high-retention threads without pre-tapping. Made from 18-8 Stainless Steel, it resists rust and corrosion, extending service life in electronics enclosures, automotive trim, and consumer goods. The Torx Plus drive ensures maximum torque transfer with minimal wear on tools, reducing assembly errors and improving production line efficiency for plastic assembly applications.

Specification Summary & Compliance

This fully threaded, right-hand M3.12 tapping screw features a 5mm length, 1.27mm approximate pitch, and standard metric dimensions. It is manufactured to precise thread forming specifications for use with a No. 37 drill bit. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it meets stringent international standards for hazardous substance restrictions.