√ Package: 720pcs black Button Head & Socket Head Screws Nuts Bolts Assortment. A collection of the most popular metric screws.
√ Size: Includes M2 M3 M4 M5 x 8mm,12mm,16mm screws for both head types.
√ Thread Type: Coarse (UNC); Thread Coverage: Full Thread; Drive Type: Allen Hex Socket; Length:8mm/12mm/16mm; Color: Black.
√ Material: The button head screw(10.9-grade alloy steel), the socket head cap screw(12.9-grade w black oxide), feature good strength of extension and corrosion resistance.
√ Screws and nuts are well packed in 24 compartments and assorted in a transparent plastic box for convenient use and storage.
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