500 Pcs Nuts and Bolts Assorted Set, Black Hex Socket Head Cap A,\nProduct Details\n--\u3010Premium Material\u3011Our nut and bolts kit is made of outstanding carbon steel with rust-proof plated, great wear-proof, a nice smooth finish, solid and durable for long time use, provides strength and offers good corrosion resistance in many environments.\n--\u3010Easy to Use\u3011The nuts can expand the contact area and reduce the pressure in order to protect the screws and parts. The hex steel screw threads are uniform, smooth and tight, not easy to deform and slide in the working process, perfectly match with nuts.\n--\u3010Easy to Carry\u3011All of nuts and bolts are packed in a sturdy divided plastic box, various lengths, completely diversified assortment, organized and easy to open and look for, convenient and portable.\n--\u3010Wide Applications\u3011Widely used in the home and office appliance, communication equipments, ship assembly and other machinery industry, furniture, car and m.