M24 x 3.00 Coarse Thread DIN 985 Class 8 Nyloc (Nylon Insert Locknut) Standard Medium Carbon Steel Zinc Plated Pk 10: Amazon.com: Industrial & Scientific
Carbon Steel Lock Nut, Zinc Plated Finish, Right Hand Threads, Self-Locking/Nylon Insert, Meets DIN 985, M8-1.25 Threads (Pack of 100): Hardware Locknuts: Amazon.com: Industrial & Scientific
Amazon.com: MonsterBolts - M10 Nylon Insert Lock Nuts, DIN 985, Alloy Steel, Black Oxide, 10 Pack : Industrial & Scientific
Amazon.com: M36-4.00 Nylon Insert Locknut DIN 985 / Metric Class 8 Steel/Zinc Plated (Quantity: 25) : Industrial & Scientific