uxcell M5 Thread Dia Dome Head 304 Stainless Steel Cap Acorn Hex Nuts 20pcs Thread Size: M5/0.2"(Female.Diameter); Product Name: Cap Nuts Material: 304 Stainless Steel (8 Grade); Weight: 39g Package Content: 20pcs x Cap Nuts; Main Color: Silver Tone Dome Head Size: 7x6mm/0.28"x0.24"(Max.D*Height); Total Height: 10mm/0.4" Hex Width: 8mm/0.3"; Fastener Type: Cap Acorn Nut