M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 Titanium Hex Flange Nuts Made to DIN 6923 specificationsMade from certified Titanium Grade 5 6AL-4VRolled threads for greater fatigue strengthSuper strong 120ksi yield strength capabilityCorrosion resistant w/ reduce gallingManufactured to ISO 9001 Quality StandardsSame strength as steel - Nearly half of the weight!Quality inspected earlier than shipmentMade in China