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12_3b62cef1-e97a-41f0-bc3c-28bfbeb87294 - Northline Parts

12" Earth Auger Drill Bit 3/4" Shaft For Gas Powered Post Fence Hole Digger US

Alligator_819_x_200_px - Northline Parts

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$110.99
Sale price  $110.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

12" Earth Auger Drill Bit 3/4" Shaft For Gas Powered Post Fence Hole Digger US

Upgrade your drilling projects with this heavy-duty 12-inch earth auger drill bit. Designed for efficiency and durability, this premium aftermarket part is perfect for digging professional-quality holes for fence posts, decks, or tree planting. Engineered to withstand tough soil conditions, it provides a reliable solution for your landscaping and construction needs without the high cost of original equipment manufacturer components.

Key Features & Benefits

  • Professional Grade Performance: Large 12-inch diameter allows for wide hole digging in a single pass.
  • Universal 3/4" Shaft: Features a standard 3/4-inch round drive shaft compatible with most gas-powered power heads.
  • Durable Construction: Built from high-strength steel to resist bending and wear during heavy use.
  • Efficient Soil Removal: Spiraled flighting design ensures quick and clean dirt extraction from the hole.
  • Cost-Effective Solution: High-quality aftermarket alternative that meets or exceeds standard performance requirements.

Compatible Models

  • Fits most standard gas-powered earth augers with a 3/4" shaft.
  • Compatible with many popular power head brands used for post-hole digging.
  • Suitable for use with various one-man and two-man auger machines.

Product Specifications

  • Diameter: 12 inches
  • Shaft Size: 3/4 inch round
  • Material: High-duty alloy steel
  • Type: Aftermarket
  • Application: Soil, clay, and sand

Frequently Asked Questions

Is this an OEM part?
No, this is a high-quality aftermarket replacement part designed to perform as well as the original equipment.

How do I confirm compatibility?
To ensure fitment, please verify that your power head unit uses a 3/4-inch round drive shaft connection. You can also refer to your machine's user manual for shaft size specifications.


Important: This item is an aftermarket replacement part sold by Northline Parts. It is not an OEM part unless specifically stated. Any brand names, model names, or part numbers are used for compatibility reference only. Please verify fitment by comparing your original part, product photos, and vehicle or equipment details before ordering.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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