Button Head Stainless Steel A2 Socket Screw Dome Bolts M5 M6 M8
M8 x 1.25mm. M8: 14mm OD x 4.4mm height (with 5mm internal hex drive). Button Head Socket Screws A2 Stainless Steel. M6 x 1.0mm. M6: 10.5mm OD x 3.3mm height (with 4mm internal hex drive). M5 x 0.8mm.