Product Description
ProTek RC 4001 3x4mm "High Strength" Cup Style Set Screws (10)
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!
Features:
- Grade 12.9 Steel Construction
- High Strength
- Cup Style Set Screw
Includes:
10 Cup Style Set Screws