M3 x 0.50 Coarse Thread DIN 985 Class 8 Nyloc (Nylon Insert Locknut) Standard Medium Carbon Steel Zinc Plated Pk 100: Amazon.com: Industrial & Scientific
M3 x 0.50 Coarse Thread DIN 985 Class 8 Nyloc (Nylon Insert Locknut) Standard Medium Carbon Steel Black Oxide Pk 2500: Amazon.com: Industrial & Scientific
PROTECH 10 Stück Sicherungsmuttern M3 Edelstahl A2 Sechskantmuttern DIN 985 rostfreier V2A Mutter selbstsichernd : Amazon.de: Baumarkt