Button Head Bolts, Allen Head Screws. A4 / 316 Marine Grade stainless steel. Stainless steel significantly improves resistance, tarnishing and corrosion. If you would like A4 316.
Lock Nuts please choose the option with nuts and washers in the drop down menu. We are very customer focused and we want all our customers to be 100% satisfied with our products and our service and we will go out of our way to keep our customers happy if any problems should arise.
Threads are standard metric coarse.