PC Hardware -12.9 Alloy Level Steel Hex Socket Cap Screws Highlights Generic Brand 12.9 Alloy Level Steel Hex Socket Pan Head Screws Description: Made of high quality alloy steel known for its reliable and rigid strength as well as its corrosion resistant quality. Unlike ordinary carbon steels, alloy steel has improved properties such as strength, corrosion resistance, hardenability and hot hardness. Can be used in almost any construction activity, from furniture repair to plumbing to carpentry and other DIY projects. These materials are also ideal for use by a variety of workers and repairers, from plumbers to professional and amateur assemblers, even DIYers can choose to use it. Comes with a sturdy plastic organizer made from high quality materials to effectively support the weight of the set. With this feature, the locks prevent accidental spilling or spilling of contents. Quantity per package: Very practical assortment. Screws and nuts included. This set is organized by size in a clear storage case for quick access and protection. specification: M4 series set: 20pcs 3*22 20pcs 3*25 20pcs 3*30 20pcs 3*20 20pcs 3*18 20pcs 3*16 20pcs 3*14 20pcs 3*12 20pcs 3*4 20pcs 3*5 20pcs 3*6 20pcs 3*8 20pcs 3*10 M6 series set: 8pcs 6*30 10pcs 6*35 10pcs 6*25 8pcs 6*22 8pcs 6*20 8pcs 6*18 8pcs 6*8 8pcs 6*10 8pcs 6*12 8pcs 6 *14 8pcs 6*16 M5 series set: 10pcs 5*30 10pcs 5*35 10pcs 5*25 15pcs 5*22 15pcs 5*20 15pcs 5*18 15pcs 5*16 10pcs 5*6 10pcs 5*8 10pcs 5*12 10pcs 5*14 M10 series: 4pcs 10*35 2pcs 10*40 4pcs 10*30 4pcs 10*25 4pcs 10*16 4pcs 10*20 M3 series set: 20pcs 3*22 20pcs 3*25 20pcs 3*30 20pcs 3*20 20pcs 3*18 20pcs 3*16 20pcs 3*14 20pcs 3*12 20pcs 3*4 20pcs 3*5 20pcs 3*6 20pcs 3*8 20pcs 3*10 8*30 8pcs 8*35 5pcs 8*20 5pcs 8*22 5pcs 8*25 5pcs 8*10 5pcs 8*12 5pcs 8*14 5pcs 8*16 5pcs 8*18 high strength 12.9 Hexagon socket head screw machine nail set