uxcell 10#-24 Carbon Steel Serrated Hex Flange Lock Nuts 50pcs Thread Size: 10#(D); Product Name: Hex Flange Nut; Material: Carbon Steel Weight: 138g; Package Content: 50(+/-2%)pcs x Hex Flange Nut Main Color: Silver Tone; Height: 5mm/0.2"(Total.Height) Hex Size: 10mm/0.4"(Hex.Width); Flange Diameter: 13mm/0.5" Grade: 4.8; Thread Count: 24