M6 x 25mm Black high tensile steel Countersunk (CSK) Socket Head screw. 25mm length goes from flat top of screw to flat bottom of thread, i.e the total length of the screw (not the length of the thread) M6 x1.00mm coarse thread. 4mm allen key required. Price is for one pack of 10 screws. Status: NOS (New Old Stock)