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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

For the quarterly period ended June 30, 2013

OR

For the transition period from                      to                     

Commission file number 000-01227

Chicago Rivet & Machine Co.

(Exact Name of Registrant as Specified in Its Charter)

(630) 357-8500

Registrant’s Telephone Number, Including Area Code

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every interactive data file required to be submitted and posted pursuant to Rule 405 of Regulation S-T (section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

As of July 26, 2013, there were 966,132 shares of the registrant’s common stock outstanding.

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CHICAGO RIVET & MACHINE CO.

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Item 1. Financial Statements.

CHICAGO RIVET & MACHINE CO.

Condensed Consolidated Balance Sheets

June 30, 2013 and December 31, 2012

See Notes to the Condensed Consolidated Financial Statements

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CHICAGO RIVET & MACHINE CO.

Condensed Consolidated Balance Sheets

June 30, 2013 and December 31, 2012

See Notes to the Condensed Consolidated Financial Statements

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CHICAGO RIVET & MACHINE CO.

Condensed Consolidated Statements of Income

For the Three and Six Months Ended June 30, 2013 and 2012

(Unaudited)

See Notes to the Condensed Consolidated Financial Statements

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CHICAGO RIVET & MACHINE CO.

Condensed Consolidated Statements of Retained Earnings

For the Six Months Ended June 30, 2013 and 2012

(Unaudited)

See Notes to the Condensed Consolidated Financial Statements

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CHICAGO RIVET & MACHINE CO.

Condensed Consolidated Statements of Cash Flows

For the Six Months Ended June 30, 2013 and 2012

(Unaudited)

See Notes to the Condensed Consolidated Financial Statements

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CHICAGO RIVET & MACHINE CO.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. In the opinion of the Company, the accompanying unaudited interim financial statements contain all adjustments necessary to present fairly the financial position of the Company as of June 30, 2013 (unaudited) and December 31, 2012 (audited) and the results of operations and changes in cash flows for the indicated periods. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been omitted from these unaudited financial statements in accordance with applicable rules. Please refer to the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The results of operations for the three and six-month period ending June 30, 2013 are not necessarily indicative of the results to be expected for the year.

2. The Company extends credit on the basis of terms that are customary within our markets to various companies doing business primarily in the automotive industry. The Company has a concentration of credit risk primarily within the automotive industry and in the Midwestern United States.

3. The Company is, from time to time, involved in litigation, including environmental claims and contract disputes, in the normal course of business. While it is not possible at this time to establish the ultimate amount of liability with respect to contingent liabilities, including those related to legal proceedings, management is of the opinion that the aggregate amount of any such liabilities, for which provision has not been made, will not have a material adverse effect on the Company’s financial position.

4. The Company’s effective tax rates were approximately 31.9% and 32.8% for the second quarter of 2013 and 2012, respectively, and 32.1% and 32.6% for the six months ended June 30, 2013 and 2012, respectively. Rates were lower than the U.S. federal statutory rate primarily due to the Domestic Production Activities Deduction allowed under Internal Revenue Code Section 199.

The Company’s federal income tax returns for the 2010, 2011 and 2012 tax years are subject to examination by the Internal Revenue Service (“IRS”). While it may be possible that a reduction could occur with respect to the Company’s unrecognized tax benefits as an outcome of an IRS examination, management does not anticipate any adjustments that would result in a material change to the results of operations or financial condition of the Company. No statutes have been extended on any of the Company’s federal income tax filings. The statute of limitations on the Company’s 2010, 2011 and 2012 federal income tax returns will expire on September 15, 2014, 2015 and 2016, respectively.

The Company’s state income tax returns for the 2010 through 2012 tax years remain subject to examination by various state authorities with the latest closing period on October 31, 2016. The Company is not currently under examination by any state authority for income tax purposes and no statutes for state income tax filings have been extended.

5. Inventories are stated at the lower of cost or net realizable value, cost being determined by the first-in, first-out method. A summary of inventories is as follows:

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CHICAGO RIVET & MACHINE CO.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

6. Segment Information—The Company operates in two business segments as determined by its products. The fastener segment includes rivets, cold-formed fasteners and screw machine products. The assembly equipment segment includes automatic rivet setting machines and parts and tools for such machines. Information by segment is as follows:

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CHICAGO RIVET & MACHINE CO.

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

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CHICAGO RIVET & MACHINE CO.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Revenues for the second quarter of 2013, as well as for the current year to date, reflect continued growth compared to the year earlier periods. Net sales for the second quarter of 2013 were $9,327,643, an increase of $898,442, or 10.7%, compared with the year earlier quarter. For the first half of 2013, net sales totaled $18,453,379, an improvement of $823,860, or 4.7%, compared with the first half of 2012. The increase in sales is primarily due to our efforts to increase sales to automotive customers, that are currently benefiting from an increase in U.S. automotive production, in an otherwise slow economy. Net income for the second quarter of 2013 was $638,213, or $0.66 per share, compared with $440,432, or $0.46 per share, in the second quarter of 2012. The increase was primarily due to higher sales and improved margins. Net income for the first half of 2013 increased to $1,091,745, or $1.13 per share, compared with $934,166, or $0.97 per share, reported in 2012.

Fastener segment revenues for the second quarter of 2013 improved 11.3%, to $8,463,688, from $7,605,981 reported in the second quarter of 2012. This marks the fourteenth quarter of sales exceeding the previous year quarter out of the last fifteen. With the majority of such revenues derived from the automotive industry, the segment has benefited from increased North American production and sales of autos and trucks during the current year. For the first six months of the year, fastener segment revenues were $16,766,432, an increase of $826,331, or 5.2%, compared to the first half of 2012. The increase in fastener segment sales during the second quarter resulted in improved margins, offsetting a $146,000 increase in tooling costs that was primarily related to the introduction of new parts into production. Additionally, lower prices for certain raw material contributed to improved results, while cost control efforts were successful in keeping other cost of sales items little changed as a percentage of net sales. The net result of these factors was an increase in fastener segment gross margins of approximately $317,000 during the quarter. This reverses a $79,000 reduction in fastener segment margins incurred in the first quarter when sales growth was absent to offset increased tooling expenses related to new parts production.

Assembly equipment segment revenues were $863,955 in the second quarter of 2013, an increase of $40,735, or 4.9%, compared to the second quarter of 2012, when revenues were $823,220. Second quarter sales increased 5% compared to the first quarter of 2013 and offsets most of the decline experienced in the first quarter compared to the year earlier period. Year to date assembly equipment sales of $1,686,947 are only fractionally lower than a year earlier at June 30. The increase in second quarter sales over the first quarter of this year, while keeping manufacturing costs comparable, resulted in an improvement in segment margins of approximately $23,000 in the quarter compared to the first quarter of 2013, and left year to date margins approximately $10,000 ahead of the first half of 2012.

Selling and administrative expenses for the second quarter of 2013 were $1,328,927, an increase of $48,889, or 3.8%, compared with the year earlier quarter. The increase is primarily due to a $26,000 increase in profit sharing expense as a result of improved operating results. Additionally, commissions increased approximately $19,000 compared to the year earlier quarter, due to the higher sales in the current year. For the first six months of the year, selling and administrative expenses have increased a modest $9,105, from $2,671,636 in 2012, to $2,680,741 in 2013. While profit sharing and commission expense have increased a combined $55,000 on a year to date basis, these increases have largely been offset by reductions in other items in the current year, primarily related to payroll. Selling and administrative expenses as a percentage of net sales for the first half of 2013 declined to 14.5%, from 15.2% in 2012.

Working capital at June 30, 2013 amounted to $15.2 million, a decline of approximately $.7 million from the beginning of the year. The decline is primarily due to the $1.5 million increase in capital expenditures in the first half of 2013 compared to the first half of 2012. Total capital expenditures for the current year are nearly $2 million, with $1.5 million related to investments in cold heading equipment that will increase our capabilities as well as capacity. Another factor impacting the change in working capital is the increase of $1.2 million in accounts receivable, related to the higher sales during the quarter, compared to the seasonally lower sales late in the fourth quarter of 2012. This increase is partially offset by separate increases of approximately $.5 million in accounts payable and accrued expenses, which reflect the greater level of activity typical for this time of year compared to the end of the prior year. The net result of these changes and other cash flow items on cash, cash equivalents and certificates of deposit was a $.7 million reduction in such total balances from the beginning of the year, to $6.8 million. Management believes that current cash, cash equivalents and operating cash flow will provide adequate working capital for the foreseeable future.

We are pleased to report higher sales and net income for the second quarter and year to date compared to the year earlier periods. Our strong performance in 2013 has resulted in a 16.9% improvement in net income for the first half of the year compared to the first half of 2012. Our earnings in recent years and strong balance sheet have allowed us to

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make significant investments in our operations this year which we expect to contribute positively to operating results in the future. With the domestic automotive market continuing to be one of the more healthy sectors of an otherwise slow-growing U.S. economy, we will strive to continue to deliver positive results from our activities in that area while also pursuing other actions that would be favorable to our operations.

This discussion contains certain “forward-looking statements” which are inherently subject to risks and uncertainties that may cause actual events to differ materially from those discussed herein. Factors which may cause such differences in events include, those disclosed under “Risk Factors” in our Annual Report on Form 10-K and in the other filings we make with the United States Securities and Exchange Commission. These factors, include among other things: conditions in the domestic automotive industry, upon which we rely for sales revenue, the intense competition in our markets, the concentration of our sales to two major customers, the price and availability of raw materials, labor relations issues, losses related to product liability, warranty and recall claims, costs relating to environmental laws and regulations, the loss of the services of our key employees and difficulties in achieving expected cost savings. Many of these factors are beyond our ability to control or predict. Readers are cautioned not to place undue reliance on these forward-looking statements. We undertake no obligation to publish revised forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

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Item 4. Controls and Procedures.

(a) Disclosure Controls and Procedures. The Company’s management, with the participation of the Company’s Chief Executive Officer and President, Chief Operating Officer and Treasurer (the Company’s principal financial officer), has evaluated the effectiveness of the Company’s disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on such evaluation, the Company’s Chief Executive Officer and President, Chief Operating Officer and Treasurer have concluded that, as of the end of such period, the Company’s disclosure controls and procedures are effective in recording, processing, summarizing and reporting, on a timely basis, information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act.

(b) Internal Control Over Financial Reporting. There have not been any changes in the Company’s internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the fiscal quarter to which this report relates that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

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PART II — OTHER INFORMATION

Item 6. Exhibits

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

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EXHIBITS

INDEX TO EXHIBITS

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