100 Pcs Stainless Steel Acorn Dome Head Hex Nuts,Head Cap Nut M8 M6 M5 M4 M3 Nuts,Hexagon Nuts, Nuts Assortment Kit,Round Fastening Domed Cap(Silver)

【5 Sizes】The commonly used dome nuts. Include M3 x 30 pcs, M4 x 20 pcs, M5 x 20 pcs, M6 x 15 pcs, M8 x 15 pcs, which greatly meet your different needs 【Material】The dome nuts are made of 304 stainless steel, waterproof, rustproof, corrosion-resistant, strong and durable. The threads are neat, no burrs, no missing teeth 【Wide Application】The stainless steel cap nut can be widely used in manual DIY production, robots, aerial aircraft, 3D printing equipment, medical equipment, petrochemical industry, marine power facilities, architecture and other fields 【Unique Design】Screw Drive Style: Internal Hex. The dome feature offers protection of exposed screw threads and a decorative appearance as a finishing fastener.Can be tightened well so that the acorn cap nut has a good sealing property 【Convenient storage】Each sizes of metric acorn nuts are individually stowed by type in an easy to carry clear case. Easy to store and use, so that the nut caps will not be lost or mixed up during use