4509-440-B-12,HEX STANDOFF #4-40 BRASS 3/4"
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【RAF Electronic Hardware】4509-440-S-12,电路板硬件 - PCB STEEL 4-40 3/4in HEX ML/FEM Standoff
4509-440-S-2,HEX MALE-FEMALE STANDOFFCADMIUM
4509-440-S-28,HEX MALE-FEMALE STANDOFFZINC YEL