1500Pcs Screws Assortment Hex Socket Flat Head Black Screws Nuts and Bolts

High Quality Materials: Screws Nuts Set is Made of high quality 10.9 grade alloy steel. Which features is strength and offers good corrosion resistance in bad environment like high temperature, Cold weather and high humidity areas. Excellent rust resistance and toughness can ensure long-term use. Perfect Combination Set: The set has 1500 pieces including 4 of the most common sizes in life: M2 M3 M4 M5. Hex Flat Head Cap Bolts Nuts Washers. According with standardized metric system. Screws assortment is equipped with a nut and washer, and each box comes with eight free Allen wrenches, So you only need to buy one set to meet your various needs! Exquisite Storage Box: All of Bolts and Nuts are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. The box is clearly labelled so that you can quickly identify the size you need by the label. In order to avoid the bolts being scattered or lost during use, we specially package for each different type of bol