【Various Specifications】 All kinds of M2,M3, M4, M5 screws, bolts with lock and flat washers. 16 specifications: M2 screw: bolt length: 4mm, 6mm, 10mm, 12mm; M3 screw: bolt length: 6mm, 8mm, 12mm, 16mm; M4 screw: bolt length: 8mm, 12mm, 16mm, 20mm; M5 screw: Bolt length: 12mm, 16mm, 20mm, 25mm; Total: 1760pcs, to meet various needs. Four hex wrenches customized for each size are provided in the kit to make the screws easier to use.
【Mini Plastic Bag & Thickened Box】 The bolts and nuts are packaged separately in a mini transparent plastic bag to prevent loss or confusion. It comes with a dividers box for easy storage and carrying. Plastic boxes are made of stronger, thicker materials that are not easily damaged during transportation.
【Excellent Production】 Screw Assortment is maded of high-quality 12.9 grade alloy steel with high strength, super anti-rust and anti-oxidation properties, which suitable for all-weather use. The metric screw classification conforms to the standardized metric system with an average error of less than 0.01mm.
【Upgraded Galvanized Screw】 All screws do not add any anti-rust oil, and use upgraded black zinc plating to extend the anti-rust time and make it cleaner. Whether it's for your own use or as a gift for family or friends, it's an ideal choice.
【Widely Use】The Screws Nuts and Washers Assortment kit can be widely used in various precision machinery, 3D printers, sorting tools, instruments, electronic products, household appliances, communication products, toys and other industries.