Description
METRIC STAIN LESS FLAT HEAD CAP SCREWS M3X18MM PACKAGE OF 50. Top quality stainless metric socket head cap screws A2 grade. Shipping: FREE How to measure screw lengths: The thread length of socket head cap screws and button head cap screws is measured from under the head to the tip of the screw. Socket flat head cap screws are measured from the top of the head to the tip of the screw.