<SEC-DOCUMENT>0000815556-17-000048-index.html : 20171023
<SEC-HEADER>0000815556-17-000048.hdr.sgml : 20171023
<ACCEPTANCE-DATETIME>20171023165514
ACCESSION NUMBER:		0000815556-17-000048
CONFORMED SUBMISSION TYPE:	10-Q/A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20170930
FILED AS OF DATE:		20171023
DATE AS OF CHANGE:		20171023

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FASTENAL CO
		CENTRAL INDEX KEY:			0000815556
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-BUILDING MATERIALS, HARDWARE, GARDEN SUPPLY [5200]
		IRS NUMBER:				410948415
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16125
		FILM NUMBER:		171149367

	BUSINESS ADDRESS:	
		STREET 1:		2001 THEURER BLVD
		CITY:			WINONA
		STATE:			MN
		ZIP:			55987
		BUSINESS PHONE:		5074545374

	MAIL ADDRESS:	
		STREET 1:		2001 THEURER BLVD
		CITY:			WINONA
		STATE:			MN
		ZIP:			55987
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q/A
<SEQUENCE>1
<FILENAME>fast9301710q_a.htm
<DESCRIPTION>10-Q/A
<TEXT>
Document 1 - file: fast9301710q_a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31
<SEQUENCE>2
<FILENAME>fast93017ex_31xa.htm
<DESCRIPTION>SECTION 302 CEO AND CFO CERTIFICATION
<TEXT>
Document 2 - file: fast93017ex_31xa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>3
<FILENAME>fast93017ex_32xa.htm
<DESCRIPTION>SECTION 906 CEO AND CFO CERTIFICATION
<TEXT>
Document 3 - file: fast93017ex_32xa.htm

</DOCUMENT>
</SEC-DOCUMENT>