VIGRUE 570Pcs M5 M4 M3 Button Head Socket Cap Screws Bolts Nuts Washers Assortment Kit, Black Small Metric Screws Set Assortment, 10.9 Grade Alloy Steel

Head Type: Button Size: M3 M4 M5 Finish: Black Oxide Material: 10.9 grade alloy steel Drive Type: Internal Hex Quantity: 570pcs Various Head Dia. & Length. Includes M3 M4 M5(head dia.) in length of 6mm/8mm/10mm/12mm/16mm/20mm These metric bolts are made from alloy steel heat treated to provide a good balance of hardness and toughness, black oxided increase their corrosion resistance These socket head screws are perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection 3X Rust Protection German Coating Tech: VIGRUE screws incorporate German coating anti-rust technology, offer a threefold increase in rust protection compared to other brand regular screws. 90 days WARRANTY of VIGRUE assortment kit