<SEC-DOCUMENT>0001003078-20-000171-index.html : 20200701
<SEC-HEADER>0001003078-20-000171.hdr.sgml : 20200701
<ACCEPTANCE-DATETIME>20200630161057
ACCESSION NUMBER:		0001003078-20-000171
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20191231
FILED AS OF DATE:		20200629
DATE AS OF CHANGE:		20200630

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MSC INDUSTRIAL DIRECT CO INC
		CENTRAL INDEX KEY:			0001003078
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-INDUSTRIAL MACHINERY & EQUIPMENT [5084]
		IRS NUMBER:				113289165
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0829

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14130
		FILM NUMBER:		201002443

	BUSINESS ADDRESS:	
		STREET 1:		75 MAXESS RD
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747
		BUSINESS PHONE:		516-812-2000

	MAIL ADDRESS:	
		STREET 1:		75 MAXESS ROAD
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>msm-20191231x11k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: msm-20191231x11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>msm-20191231xex23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 2 - file: msm-20191231xex23_1.htm

</DOCUMENT>
</SEC-DOCUMENT>