280Pcs 9 Sizes M3 Screw Hex Socket Head Cap Bolt Nut Assortment Set Alloy Steel Kit with Storage Box

【Wide Applications】: The alloy steel socket head cap screws can be used for fasteners in home and office appliance, communication equipment, ship assembly or other machinery industry. Box size: 13 * 6.5 * 2.3cm / 5 * 2.6 * 0.9inch; quantity: 1 x box of 180pcs screws + 100pcs nuts. 【Easy to Store】: The screws and nuts are well packed in 10 compartments and assorted in a transparent plastic box for convenient use and storage, making it quick and easy to get the size you want. 【Premium Alloy Steel Material】: The M3 cap head hex socket screw is made of 12.9 grade alloy steel material with oxidation surface, it has good strength of extension and corrosion resistance in many environments, which is sturdy and in use, has quality and long service life. 【Full 9 Size Screw Kit】: The cap head hex socket screws kit includes 9 sizes screws: 4mm(20Pcs), 5mm(20Pcs), 6mm(20Pcs), 8mm(20Pcs), 10mm(20Pcs), 12mm(20Pcs), 16mm(20Pcs), 20mm(20Pcs), 25mm(20Pcs) and 100pcs nuts, which is complete enough to meet your different needs. 【Sufficient Space for Driving】: The M3 cap head hex socket screws enables driving where it doesn't have sufficient space for wrenches, which is practical and convenient to use. Thread diameter: 3mm (M3); type: cap head hex socket screw; box size: 13 6.5 2.3cm / 5 2.6 0.9inch.