Fastener type Countersunk Bolt with Flat Head Hexagon Socket. The thread is uniform and smooth, the texture is clear, the use is balanced, the tightening effect is good, and it is not easy to slip. Exquisite Material: M3 bolts and nuts set are made of high-quality carbon steel with high hardness and high torque, superior stability and density, not easy to break or deform, corrosion-resistant, not easy to rust, and have long-lasting durability and stability.
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