Bolt Base 12mm A2 Stainless Steel Fine Pitch Hexagon Half Lock Nuts Hex Thin Nut DIN 439 M12 X 1.50mm - 2: Amazon.com: Industrial & Scientific
Amazon.com: M12-1.75 Din 6927 Metric Top Lock Flange Nut Class 10 Black Phosphate and Oil (Pack Qty 600) BC-M12D6927-10P by Shorpioen : Industrial & Scientific
Amazon.com: M12-1.75X50 DIN 6921 Class 10.9 Metric Flange Bolt Screw Non Serrated Black Phosphate (Pack Qty 200) BC-M1250BF10BP by Shorpioen : Industrial & Scientific
Small Parts M12D125A Steel Flat Washer, Zinc Plated Finish, DIN 125, Metric, M12 Screw Size, 13 mm ID, 24 mm OD, 2.5 mm Thick (Pack of 50): Amazon.com: Industrial & Scientific
10 pcs) M12-1.75 X 25mm, DIN 938, Metric, Studs, Double-Ended, Screw-in End 1.0 X Diameter, A2 Stainless Steel: Amazon.com: Industrial & Scientific
Amazon.com: (400pcs) DIN 6796 M12 Conical Spring Washers for Bolted Connections A4 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP6796412 : Industrial & Scientific