Uxcell a16033100ux0384 Flange Nut M10x1mm Thread Unf Serrated Hex Flange Lock Nuts 6Pcs Thread size: M10/0.4"; product Name: hex flange nut; material: 304 stainless steel Weight: 69G; Package Content: 6Pcs x hex flange nut Main Color: Silver tone; height: 10mm/0.4"(Total.Height) Hex size: 15mm/0.6"(Hex.Width); flange diameter: 22mm/0.87" Grade: 4.8; Pitch: 1mm