Metric Rivet Nut Kit, Heavy Duty Zinc Plated Carbon Steel Flat Head Insert Nut with Knurled Body (Metric Assortment Kit M3, M4, M5, M6, M8, M10, and M12)

Overview【Multi-purpose】: This rivnut assortment kit can be used to fix a variety of different materials, including iron, steel, aluminum alloy and plastic, etc. 
【Durable Material】: Rivet Nuts are made of carbon steel with surface galvanizing, corrosion-resistant,acid-resistant, strong and durable. 
【Package Includes】: This rivet nut tool set contains 180 metric nuts with separate boxes, common sizes, #6-32, #8-32, #10-24, 1/4" -20, 5/16"-18, 3/8"-16, 1/2"-13, M3, M4, M5, M6, M8, M10 and M12 
【Wide Application】: Rivets suitable for home improvement,furniture installation, automobile repairing,decoration,electrical repairing ,etc. 【Convenient to Use】: The nutserts set come with exquisite box with size and model label.easy to carry and better storage.