Thread Pitch:M2(0.4mm) / M2.5(0.45mm) / M3(0.5mm) / M4(0.7mm) / M5(0.8mm) / M6(1mm) / M8(1.25mm). These bolts and nuts are made of durable high-quality nylon plastic, which has excellent insulation performance, acid and corrosion resistance, and light weight.
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