Description
Introduce reliability and strength to your assemblies with our Thread Rolling Screws, Phillips Flat Head in steel, finished with black oxide and waxed coating. This Tri-Lobe drive screw in #4-40 x 3/8" serves as a robust alternative to Taptite screws, delivering secure, high-torque threads without stripping.
- Drive type: Tri-Lobe for improved torque transfer and reduced slippage
- Thread form: Thread rolling (thread-forming) screw that forms its own threads in pre-piloted holes
- Head style: Phillips flat head for flush, low-profile seating
- Material & finish: Steel with black oxide finish and waxed coating for corrosion resistance and smooth driving
- Size & length: #4-40 thread, 3/8" long
- Alternative to: Taptite screws
Ideal for securing components in metal, wood, or composite assemblies where a clean flush appearance and reliable thread engagement are essential.
- Waxed coating reduces friction during installation
- Black oxide finish adds durability in challenging environments
- Thread-forming action creates secure, vibration-resistant joints
- Resistance to thread stripping and loosening with proper pilot hole
- Corrosion resistance
- Easy to install with common Phillips screwdrivers
Equip your toolkit with this reliable thread rolling screw and experience a solid, professional fit in your next project. Add to cart now for steady performance and a clean, professional look.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

![[10000 BULK] Thread Rolling Screws Phillips Flat Head Steel Black Oxide & Waxed Tri-Lobe #4-40 X 3/8 Taptite Screws Alternative](http://mutualscrew.com/cdn/shop/files/0406RPFBKC_c38f5f3b-9cf7-4966-9303-e32bb6b60e3d.webp?v=1747934124&width=769)