<h3>Key features</h3><ul> <li>Package Contents: You will receive 100 M3x8mm hexagon socket round head bolts with a 3mm thread diameter, 0.5mm pitch, and an 8mm shank length. Compatible with 2mm wrenches, these bolts meet the size requirements of most tightening scenarios.</li> <li>High-Quality Material: Our hexagon socket round head bolts are made from high-strength, high-carbon steel with a surface treatment for superior wear resistance and load-bearing capacity. They are resistant to deformation and breakage, and have a long service life.</li> <li>Practical Design: Our bolts feature a hexagon drive and round head. The hexagonal structure provides higher torque output, making it easy to tighten or loosen precisely with a wrench, ensuring a secure hold. They are suitable for installations requiring reliable clamping force.</li> <li>Widely Applicable: These screws can be used in a wide range of applications, including home assembly, machine tool mounting, construction, automotive and bicycle accessory installation, telecommunications equipment maintenance, and various DIY projects.</li> <li>Easy Installation: Requires the corresponding hexagonal wrench for installation. The hexagonal drive design enhances torque control, effectively preventing slippage and improving installation efficiency. It is recommended to use washers according to needs during installation.</li> </ul><p>Specifications:Color: BlackMaterial: High-carbon steelDimensions: See listing imageGross Weight: 55.3gPackaging Dimensions: 11*7*1cmPackaging: Bag-packedPackaging: 100 pcs M3 x 8mm hexagon socket head bolts</p><p>Free shipping included. 30-day hassle-free returns.</p>