Bolt Technology Corporation

Four Duke Place

Norwalk, Connecticut 06854

September 12, 2008

Securities and Exchange Commission

450 Fifth Street, N.W.

Washington, D.C. 20549

Re: Bolt Technology Corporation Annual Report on Form 10-K

Dear Sir/Madam:

In accordance with General Instruction D(3) of Form 10-K, Bolt Technology Corporation (the “Company”) hereby confirms that the financial statements in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2008, being filed herewith, do not reflect a change from the preceding year in any accounting principles or practices or in the methods of application of those principles or practices.

Very truly yours, BOLT TECHNOLOGY CORPORATION
By:	/s/ Joseph Espeso
	Joseph Espeso Senior Vice President - Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)