uxcell M6 Thread Dia Dome Head Carbide Steel Cap Acorn Hex Nuts Black 50pcs Thread Size: M6/0.24"(Female.Diameter); Product Name: Cap Nuts Material: Carbide Steel (4.8 Grade); Weight: 196g Package Content: 50(+/-2%)pcs x Cap Nuts; Main Color: Black Dome Head Size: 9x6mm/0.35"x0.24"(Max.D*Height); Total Height: 11mm/0.43" Hex Width: 10mm/0.4"; Fastener Type: Cap Acorn Nut