uxcell 25 Pcs M3 Thread Stainless Steel Serrated Hex Flange Locknuts Thread Size: M3(0.12"); Product Name: Hex Flange Nut Material: Stainless Steel; Weight: 18g Package Content: 25 Pcs x Hex Flange Nut; Main Color: Silver Tone Height: 3.5mm(0.14"); Hex Size: 5.5mm(0.22")(Width) Flange Diameter: 8mm(0.31"); Thread Pitch: 0.5mm