Site Content

What we Provide

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ISO Certification

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Our Facility

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what we provide

Service

We specialize in tool hardening, special production runs, vacuum and bright hardening. 

Quality

Since 2008, General Heat Treating Co., Inc. has committed to being an ISO 9001 registered company. 

Commitment

You will find that quality work from receiving, to processing, to final inspection, per our rigid ISO standards is our commitment to your product. 

History

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Founded in 1956 by Walter A. Maknis, General Heat Treating Company, Inc. (GHT) moved to its current location in 1967 and was incorporated under the laws of the State of Connecticut in 1978. Larry W. Maknis joined his father in 1974 and took over as plant manager in 1977. Upon Walter's retirement in 1983, Larry assumed the position of company president. 

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In 1999, GHT completed its last expansion and currently boasts 10,000 square feet of state of the art vacuum furnaces and an ultrasonic cleaner. GHT meets the demands of national and international clientele with this commitment to delivering the highest quality service. Its clients include aerospace, automotive, government, medical device and commercial mfg. facilities. GHT's dedication to quality is reflected in its commitment to maintaining an ISO 9001 management system.  

General Heat Treating relocation ribbon cutting ceremony

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Left: Walter A. Maknis

Right: Former Mayor Frederick W. Palomba 


Picture taken November 1967

About Us

Our Services

  General Heat Treating provides heat treating and related services for manufacturers in various industries. Production activities include the servicing of customers providing parts (product) to GHT. The end “product” of the processing by GHT includes meeting customer requirements (including as applicable, Rockwell - hardness values, stress relief, etc.). The scope of our QMS applies to all processes and operations performed at our site in Waterbury, CT.  

Quality Policy

  General Heat Treating Co., Inc. is committed to providing quality service that meets or exceeds customer requirements and expectations while continuing to improve the effectiveness of our quality management system.      

ISO Certification

This is a copy of our ISO Certification.

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(If you would like us to send you the formal copy, please contact us) 

Request for Quote

Contact Us

General Heat Treating Co., Inc.

Phone: (203) 755-5441

Fax: (203) 575-9431

GeneralEmail: info@generalheattreating.com

80 Fulkerson Dr, Waterbury, Connecticut 06708, United States

Hours

Monday - Friday: 6 AM - 6 PM

Saturday: Closed 

Sunday: Closed

For Any Questions:

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