Tempers flared on "Ax Men" (Sun., 9 p.m. EST on History) and Rygaard Logging employees Dave and Fernando finally came to blows.

The pair had been clashing for weeks, trading accusations and insulting each other. As their boss Craig Rygaard said, "when either one of 'em says anything it's real nasty ... you know, got a real bite to it."

Things finally came to a head when Fernando called Dave a "stupid sh*t" in Spanish and Dave just lost it.

After a brief slapping and shoving match he finally managed to plant one on Fernando and punched him in the face.

"Ax Men" airs Sundays at 9 p.m. EST on History.

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