Patent ID: 7842403

Claim:
A coated metal fastener, comprising: a first lubricious coating layer overlying the metal fastener, the first lubricious coating layer comprising a first lubricant providing to the first lubricious coating layer a first coefficient of friction; and a second lubricious coating layer overlying the first lubricious coating layer, the second lubricious coating layer comprising a second lubricant providing to the second lubricious coating layer a second coefficient of friction, wherein the second coefficient of friction is greater than the first coefficient of friction, wherein at least one of the first lubricious coating layer and the second lubricious coating layer further comprises a binder or a curable resin or comprises or is in the form of a dry film lubricant and the first lubricant has a first lubricity the second lubricant has a second lubricity and the first lubricity is lower than the second lubricity.