Translation of "Hatchet" in Spanish

Isn't it about time you guys buried the hatchet and let bygones be bygones?

¿No es hora de que entierren ustedes el hacha de guerra y olviden el pasado?

At one time we were enemies, but we've buried the hatchet and we are now on friendly terms with each other.

Antes éramos enemigos, pero hemos enterrado el hacha de guerra y ahora nos llevamos bien.

At long last, the two chiefs of the Indian tribes have decided to bury the hatchet and smoke the peace pipe.

Por fin, los dos caciques han decidido enterrar el hacha y fumar la pipa de la paz.