Assortment of 120 brass and 304 stainless steel hex nuts for screws and printed circuits

Features:1.Brass spacer, not easy to rust and corrosion resistant, protects the part from damage.
2.304 stainless steel screw and nut, high hardness, not easy to break.
3.Precision threads can be easily tightened, not easy to loosen.
4.Standard metric M4 size for basic daily maintenance and DIY installation requirements.
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