uxcell 3/16"-24 Stainless Steel Dome Head Cap Acorn Hex Nuts 25Pcs Thread Size: 3/16"(D); Product Name: Cap Nuts; Material: Stainless Steel Weight: 49g; Package Content: 25Pcs x Cap Nuts Main Color: Silver Tone; Dome Head Size: 4x7mm/0.16"x0.28"(H*Max.D) Total Height: 10mm/0.39" ; Width Across Flats: 8mm/0.3" Width Across Corners: 9mm/0.35"; Thread Count: 24