Nuts and Bolts Set M5 M6 M8, Black Hex Socket Head Cap Screws Bolts and Nuts Ki
The screw kit total 600pcs, also equipped with 3 x hex keys; 1 x tweezer; 1 x nut and bolt organizer box. The thread surface is very smooth, deep and clear, burr-free, not easy to deform and slide in the working process.