Item Type: Button Head Socket Caps Screws <br>Material: Galvanized Steel <br>Thread Model: Approx. M4x0.7mm / 0.03in <br>ModelWorking Length (Approx.) <br>2802-0004-0025 25mm / 1.00in <br>2802-0004-0030 30mm / 1.18in <br>2802-0004-0035 35mm / 1.38in <br>2802-0004-0040 40mm / 1.57in <br>2802-0004-0045 45mm / 1.77in <br>2802-0004-0050 50mm / 2.00in <br>2802-0004-005555mm / 2.16in <br>2802-0004-0060 60mm / 2.36in<br>1、Galvanized Steel Material: Hex socket screws are made of galvanized steel, high strength, durability and corrosion resistance <br>2、Sufficient Quantity: There are 50pcs round head hex socket screws in a set of sufficient quantity to meet the various needs of users <br>3、Application: Widely used for various accuracy machinery industries, classified instruments, instruments, electronics, printing projects, etc. <br>4、Basic Specifications: This is round head hex socket that is easy to install, the thread model is M4x0.7mm <br>5、Scope of Application: Used for machinery industries such as household and office electrical appliances, communication equipment, ship assembly, etc.Match the right size before use50 x Screw