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Heavy Duty Post Hole Auger – 12 Inch Diameter for Tractor PTO Diggers

Original price was: $174.08.Current price is: $93.25.

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SKU: SMA-PHA12S Category:

When you’re putting in fence posts or setting mailboxes, you need an auger that’ll power through hard-packed soil, clay, and rocky ground without bending or breaking. This heavy-duty 12-inch auger is built to handle the tough digging jobs that lighter augers just can’t manage, getting you clean, round holes without the back-breaking work of hand digging.

What You’re Getting

  • 50-inch length with 3/16-inch thick flighting that moves dirt efficiently and resists bending
  • Reinforced hub with dual 1/2-inch drive holes spaced 2 inches apart for secure attachment to your digger
  • 2-inch round drive that fits most standard post hole diggers with matching PTO outputs
  • Heavy-duty bolt-on pilot point that cuts through roots and breaks up tough soil layers
  • Carbide cutting edges available separately to keep your auger sharp and efficient

Built for Real Farm Work

This auger is designed for farmers and ranchers who need to dig multiple post holes quickly and efficiently. Whether you’re building new fence lines, replacing rotted posts, or setting up corrals, this 12-inch diameter gives you the perfect size hole for most standard fence posts and gate hardware.

Made to Last

The thick steel construction and reinforced hub handle the torque and stress of digging through challenging soil conditions. The bolt-on pilot point design means you can replace the cutting tip when it wears down, extending the life of your auger investment.

Installation Notes

This auger connects directly to post hole diggers with 2-inch round drive outputs using the dual pin system. Make sure your digger’s hydraulic system has enough flow and pressure to handle the 12-inch diameter—bigger augers need more power than smaller ones. Keep spare shear pins handy in case you hit a big rock or root.