Circuit Board Hardware - PCB Screw Spacer 17mm PVC Grey
圆形垫片 无螺纹 M3 PVC 0.669"（17.00mm） 灰色
得捷:
ROUND SPACER M3 PVC 17MM
艾睿:
Spacer Round 3.7mm-ID 6.4mm-OD 17mm-LG Polyvinyl Chloride
Allied Electronics:
Self Retaining PVC Screw Spacer; 17mm Length; 0.25 OD; 0.144 ID; M3 Screw Size; Grey