482 Pcs M3 Round Head Hex Socket Screws, Black Nuts Bolts Assortment Set 8 Sizes(6/8/10/12/16/20/25/30mm) Carbon Steel Hexagon Button Mushroom Machine Screw Fasteners Kit with Wrenches

【Material】Hex socket round head bolts and nuts set are made of 10.9 grade carbon steel with black plated, which feature is strength and offers resistant. 【8 Sizes】Total 482 pcs button head screw assortment. Includes 240 pcs M3 bolts, length sizes of 6/8/10/12/16/20/25/30mm each type 30 pcs; 240 pcs M3 nuts, 2 M3 Allen wrenches. 【Easy to Install】With the hexagonal groove, it is not easy to slide, it is easier to install and saves time. 【Wide Application】Widely used in the home and office appliance, communication equipment, ship assembly and other machinery industry, furniture, car and motorcycle repair and DIY inventions, industrial and construction fasteners, etc. 【Convenient storage】Each sizes of metric screws and nuts are individually stowed by type in an easy to carry clear case. Easy to store and use, so that the screws will not be lost or mixed up during use