S-97975A120 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 Stainless Steel construction, ensuring long-lasting performance in demanding environments.
• Efficient thread forming design using DST technology creates strong, reliable threads in plastic materials without chipping or cracking.
• Optimized installation process with precise No. 44 drill bit (0.086") compatibility for clean, secure fastening in plastic applications.
• Enhanced driving control through Phillips No. 1 drive style combined with pan head design for improved torque transmission and reduced cam-out.
• Full thread engagement along the entire 1/4" length provides maximum holding power and vibration resistance in plastic assemblies.
• Compliance assurance with RoHS 3 and REACH environmental standards, meeting international regulatory requirements for industrial use.
• Right-hand threading with 24 TPI delivers consistent, reliable fastening performance for standard assembly procedures.

Professional Applications & Engineering Value

These No. 4-24 thread forming screws are specifically engineered to address common challenges in plastic fastening applications. The 410 Stainless Steel construction provides excellent corrosion resistance, while the DST thread forming technology creates strong, permanent threads in plastic materials without generating chips or debris. The Phillips pan head design offers superior driving control and seating in plastic components, preventing damage during installation. These tapping screws for plastic are ideal for electronics enclosures, automotive trim, consumer products, and industrial equipment where reliable, vibration-resistant fastening in plastic substrates is critical. The combination of fully threaded design and blunt tip ensures precise alignment and maximum thread engagement for long-term assembly integrity.

Specification Summary & Compliance

These No. 4-24 x 1/4" tapping screws feature precision thread forming with DST technology, manufactured to exacting dimensional standards. The screws maintain consistent right-hand threading with 24 threads per inch and are fully threaded for maximum engagement. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring they meet current regulatory requirements for industrial and commercial applications worldwide. The specified No. 44 drill bit (0.086") ensures proper hole preparation for optimal thread formation and holding strength in plastic materials.