Strength" Flat Head Screws from ProTek R/C. These are made from metric grade 12.9 steel which has a minimum tensile strength of 174,000 PSI. These screws are the strongest you can get ...

Hex Screws are CNC machined and thread rolled to near-exact tolerances from high-quality 6AL-4V (Grade 5) titanium alloy material and polished to a brilliant finish. Titanium is strong, dense and super lightweight, and ...