DIN 985ISO 10511Prevailing torque with polymide (nylon) insert ring Click Here for Technical Data SheetM30 Nylon Insert Hex Lock NutsFrom $9.00Sale PriceMaterial*SelectQuantity*SelectQuantity*Add to cartAvailable Materials Class 6 Steel Class 8 Steel Class 10 Steel A2 Stainless Steel A4 Stainless Steel Brass Available Finish Zinc Yellow Zinc