FAST 12.31.2013 10-K Exhibit 23

We consent to the incorporation by reference in the registration statements (no. 333-52765, no. 333-134211, no. 333-162619, and no. 333-176401) on Form S-8 of Fastenal Company of our report dated February 6, 2014, relating to the consolidated balance sheets of Fastenal Company and subsidiaries as of December 31, 2013 and 2012, and the related consolidated statements of earnings, comprehensive income, stockholders’ equity, and cash flows, and the related financial statement schedule for each of the years in the three-year period ended December 31, 2013, and the effectiveness of internal control over financial reporting as of December 31, 2013, which report is included in the annual report on Form 10-K for the year ended December 31, 2013, of Fastenal Company.