【RAF Electronic Hardware】M0504-25-SS,电路板硬件 - PCB 5mm, 2.7 ID, M2.5 ROUND METRIC SPACER
M0504-25-SS-20,METRIC ROUND SPACERPASSIVATE4.5M
【RAF Electronic Hardware】M0504-3-AL,电路板硬件 - PCB 5mm, 3.2 ID, M3 ROUND METRIC SPACER
M0504-3-AL-22,METRIC ROUND SPACERCLEAR ANODIZE
M0504-3-AL-6,METRIC ROUND SPACERGOLD IRIDITE4
M0504-3-AL-7,METRIC ROUND SPACERCLEAR IRIDITE
M0504-3-B-12,METRIC ROUND SPACERCLEAR ZINC4.5
M0504-3-B-5,METRIC ROUND SPACERNICKEL 4.5MM