These are the standard, most commonly used nyloc nuts. Nylon ring insert within the nut creates a locking action. DIN 985, type T, bright zinc plated.
M8 / 8mm METRIC WASHERS STANDARD FORM A THICK BRIGHT ZINC PLATED BZP DIN 125A
M8 / 8mm A2 STAINLESS STEEL SLOTTED MACHINE SCREWS METRIC PAN HEAD BOLTS SCREW
M8 8mm A2 Stainless Steel Hexagon Head Set Screws Fully Threaded Metric Bolts
Hex Cap Bolts M4 M5 M6 M8 M10. Metric Allen Key Hex Cap Bolts in carbon steel
Swpeet 150Pcs 6 Sizes M3 M4 M5 M6 M8 M10 Metric Black Zinc Plated Acorn Cap Nuts Hex Dome Assortment Kit, Acorn Nuts Carbon Steel Caps Nut Hex Dome Head Decorative Acorn Hex Cap Nut for Screws Bolts
TERF® M8 X 80mm Coach Screws Hex Head Stainless Steel A2 (304) Coach Screw M8 (8mm) X 80mm Wood Masonry Brick Concrete Wall Fixing Lag Screw Bolts - Pack of 4