966 Pcs Metric Hardware Fastener Assortment, M4 M5 M6 M8 Zinc Plated Carbon Steel Bolts Nuts Washers, Rust Resistant Industrial Automotive Repair Kit with Storage Case

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966-piece complete metric fastener assortment covers M4, M5, M6, M8 common sizes, including fully threaded bolts, partially threaded bolts, matching nuts, flat washers and lock washers, meeting all daily and industrial fastening and assembly needs.
Made of premium high-density carbon steel with professional heat treatment process, the fasteners deliver excellent tensile strength and overall sturdiness, not easy to deform or break for long-term heavy-duty use.
Adopts bright zinc plating surface treatment, providing superior rust and corrosion resistance. The hardware set works perfectly for both indoor workshop use and outdoor construction, machinery and equipment application.
Equipped with a durable customized storage case with labeled divided grids, all fasteners can be classified and stored neatly, enabling quick identification and access, effectively avoiding loss and saving sorting time.
Versatile heavy-duty fastener kit suitable for automotive engine & suspension repair, machinery maintenance, construction structural support, farm equipment upkeep and industrial fabrication, ideal for professional technicians and DIY lovers.