Flanged Nylon Locking Nuts (also called Nyloc Nuts) are fitted with a polymer insert. The elastic Nylon insert of this component fits tightly against the fastener, and is designed to resist loosening. An integrated flange provides this nut with greater load-bearing capabilities. Specification:Product Name: Hex Flange NutMaterial: 304 Stainless SteelMain Color : Silver ToneThread Size : M10 (D)Height : 13.2mm / 0.52"Hex Width: 15mm / 0.59"Flange Diameter: 21mm / 0.83"Package Content: 4pcs x Hex Flange Nut.
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