ITEM NAME:20pcs 304 Stainless Steel Hex Head Serrated Spinlock Flange Nuts M3 Description: - These nuts are made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments. - Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from. - There are seven common size of hex flange nut that you can choose for general purpose use. - These hex flange nuts will be great replacement for industrial and construction fasteners. - Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Specification: - Material: Stainless Steel - Color: Silver - Thickness: - M3: Approx. 3.7mm / 0.15inch - M4: Approx. 4.3mm / 0.17inch - M5: Approx. 4.8mm / 0.19inch - M6: Approx. 5.4mm / 0.21inch - M8: Approx. 7mm / 0.28inch - M10: Approx. 8.6mm / 0.34inch - M12: Approx. 9.9mm / 0.39inch - M14: Approx. 12.5mm / 0.49inch - M16: Approx. 13.6mm / 0.54inch Package Included: 20 Pieces of Nuts Note: Due to the difference in measurement, please allow an error of 1 to 2 mm..There are seven common size of hex flange nut that you can choose for general purpose use. - M3: Approx. Foot Care & Shoes Care. Pet Dog Supplies. - Material: Stainless Steel. 20 Pieces of Nuts. Vehicle parts & Accessoris.