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John and Sherry McDonald of Waynesboro, Tennessee founded

4 Mac Machining, with the mission of supplying machining and precision grinding needs throughout the United States. 4 Mac Machining builds precision gages, fixtures, and tooling components, and black oxide coating for steel products.

The shop is 80 to 85% climate controlled, with precision grinding and milling machines.

The staff at 4 Mac Machining has over 40+ years of machining experience in machining, office work, and customer service.

4 Mac Machining started with a goal of providing a productive business and has successfully fulfilled that objective.

"Precision instruments are designed to achieve an idea, or dimensional precision, where perfection is impossible.

There is no perfect shaped part & never will be, but when you come as close as the gaged instrument, remarkable things happen." - John McDonald

                                                            Milling Machine

4 MAC MACHINING, INC.

JOHN & SHERRY MCDONALD

1108 Waynesboro Highway

 Waynesboro, Tennessee 38485

(931) 722 - 4MAC

OR

(931) 722 - 4622

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