5pc Set of 3mm Diameter Round Head 2cm Bolt and Nut

3.75mm diameter nuts and bolts set are ready to use in any application from Heavy duty to DIY electronics and Robotics projects. The nut and bolt set has 3.75mm diameter and length 20mm. It is made up of mild, so it offers great tensile strength, corrosion protection and high durability. It is compatible with any material like wood, metal, plastic etc.