This is a pack of ten 2.5x4mm “High Strength” Button 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 and are suitable for the most demanding applications! Most manufacturer brand screws are not grade 12.9 steel, so these are a great upgrade for your car, truck or helicopter!
This product was added to our catalog on July 1, 2009
Eric Larsen Verified Owner Wednesday, Apr 16 2025 (5 months ago) ProTek RC 2.5x4mm “High Strength” Button Head Screws (10) Awesome 12.9 grade screws. I like ProTek hardware and will continue to buy it. View all reviews
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