Hobby Town
ProTek RC 3x40mm "High Strength" Socket Head Cap Screws (10)
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From Hobby Town
This is a pack of ten 3x40mm "High Strength" Socket Head Cap 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!