Uxcell a15122800ux0649 M6x6mm Stainless Steel Serrated Flange Hex Nut Right Hand Thread (Pack of 50) Thread Size: M6(0.24"); Product Name: Hex Flange Nut Material: Stainless Steel; Weight: 160g Package Content: 50(+/-2%)pcs x Hex Flange Nut; Main Color: Silver Tone Height: 6mm(0.24"); Hex Size: 10mm(0.4")(Width) Flange Diameter: 13mm(0.51")