Comparison : |
Item # URD6C, Round Special with Hole and Countersink, diameter 0.389 / 0.395 in Item # URD8C, Round Special with Hole and Countersink, diameter 0.514 / 0.520 in Item # #ES-9080, Round Special with Hole and Countersink, diameter 0.323 / 0.329 in
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