Uxcell a16033100ux0600 Nut M12X1.25 Carbon Steel Grade 8 Hexagon Hex Nut Black 20Pcs Thread size: M12/0.47"(D); product Name: hex nut Material: Carbon steel; weight: 276G Package Content: 20Pcs x hex nut; main Color: black Height: 11mm/0.43"; hex size: 18mm/0.7"(Hex.Width) Grade: 8; Pitch: 1.25mm