Uxcell a15091700ux0495 2 Stainless Steel Serrated Flange Metric Hex Lock Nuts M6 (Pack of 25) Thread Size: M6(0.24"); Product Name: Hex Flange Nut Material: Stainless Steel; Weight: 80g Package Content: 25 Pcs x Hex Flange Nut; Main Color: Silver Tone Height: 6mm(0.24"); Hex Size: 10mm(0.4")(Width) Thread Pitch: 1mm; Flange Diameter: 13mm(0.51")