Exhibit 32

CERTIFICATION UNDER SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned certifies that this periodic report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in this periodic report fairly presents, in all material respects, the financial condition and results of operations of Fastenal Company.

A signed original of this written statement required by Section 906 has been provided to Fastenal Company and will be retained by Fastenal Company and furnished to the Securities and Exchange Commission or its staff upon request.

Date: July 17, 2015	/s/ Leland J. Hein
	Leland J. Hein
	President and Chief Executive Officer
	(Principal Executive Officer)
	/s/ Daniel L. Florness
	Daniel L. Florness
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)