Material: The acorn nut is made of stainless steel 304, which has good corrosion resistance and is sturdy and durable. In fact, they can be used anywhere that the bolt end needs to be covered. 52 commonly used nuts, convenient in 7 sizes M3 (10 pieces) M4 (10 pieces) M5 (10 pieces) M6 (8 pieces) M8 (6 pieces) M10 (5 pieces) (3 pieces).
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