size

535PCS 1/4-20,5/16-18,3/8-16 859pcs 1/4-20,5/16-18,3/8-16,1/2-13 966 PCS M4, M5, M6

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Complete fastener solution with 1460 pieces of metric bolts, nuts, and washers in commonly used sizes (M4–M8). Grade 8.8 alloy steel construction delivers high tensile strength for automotive, machinery, and heavy-duty applications. Yellow zinc plating resists corrosion in indoor and outdoor use. Organized compartmentalized storage case with clear labels keeps everything accessible. Ideal for mechanics, engineers, and DIY enthusiasts tackling repairs, assembly, and maintenance projects.