219 Pcs Threaded Button Head Hex Socket Bolts and Nuts, Black

About this item

• 【Material】Hex socket round head bolts and nuts set are made of 10.9 grade alloy steel with black plated, which has the advantages of strength and offers good corrosion resistance in bad environment.
• 【3 Sizes】Total 219 pcs button head screw assortment. Includes M4/M5/M6, length sizes of 8/16/25mm hex socket round head bolts screws nuts, 3 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.
• 【Advantages】The head of button head socket cap black screw is round, and the middle is a recessed hexagon. Usually used with hex wrench. Black button head socket cap screws are commonly used in machinery, easy fastening, disassembly, and not easy to slip corners.