M10x1.5mm Stainless Steel Nylon Insert Hex Lock Nuts 50pcs Thread Size: (Female)M10(8.9mm); Product Name: Nylon Lock Nuts Material: Zinc Plated; Weight: 505g Package Content: 50(+/-2%)Pcs x Nylon Lock Nuts; Main Color: Silver Tone Height: 10mm/0.4"; Pitch: 1.5mm Width Across Flats: 17mm/0.7"; Width Across Corners: 19mm/0.75"