Thread Nuts - SODIAL(R) M5 Thread Dia Dome Head Stainless Steel Cap Acorn Hex Nuts 30Pcs Thread Size: 5mm/0.2"(D); Product Name: Cap Nuts Material: Stainless Steel; Weight: 57g Main Color: Silver Tone Hex Size: 8mm/0.3"; Dome Head Size: 6x7mm/0.24"x0.28"(H*Max.D) Total Height: 10mm/0.4"