



🧊 Drill Deeper, Work Smarter — Don’t Let Ice Slow You Down!
The Earthquake Auger Extension EXT18 is a robust 18-inch alloy steel extension designed to increase drilling depth in thick ice and soil. Featuring fully welded construction and a vibrant red powder-coated finish, it includes mounting hardware for easy installation. Weighing just 2.5 pounds, it offers durability and convenience, backed by a 1-year limited warranty and strong customer approval.
| ASIN | B0000AX04Q |
| Best Sellers Rank | #252,769 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #202 in Auger Drill Bits |
| Brand | EARTHQUAKE |
| Brand Name | EARTHQUAKE |
| Customer Reviews | 4.6 out of 5 stars 542 Reviews |
| Finish Type | Powder Coated |
| Finish Types | Powder Coated |
| Global Trade Identification Number | 00012642400186 |
| Included Components | Auger Extension |
| Item Dimensions | 20 x 3 x 3 inches |
| Item Type Name | Auger Extension |
| Item Weight | 2.5 Pounds |
| Item dimensions L x W x H | 20 x 3 x 3 inches |
| Manufacturer | Ardisam, Inc. |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Minimum Bore Diameter | 0.47 Inches |
| Model | EXT18 |
| Number of Flutes | 2 |
| Point Style | Spear Point |
| Shank Type | Straight |
| Surface Recommendation | Alloy Steel |
| Tool Flute Type | Straight |
| UPC | 012642400186 |
| Unit Count | 1.0 Count |
| Warranty Description | 1-Year Limited |
R**Y
Sturdy
The extension works well and gives you that extra length that you need so that the auger head doesn't get buried in the ground and you don't have to bend over that much.
D**M
Very well made.
I like that it is great quality and easy to install when needed.
D**D
Adds the exact length for getting below frost line
Perfect fit for an Earthquake auger I recently got that was made in 2004. Adds a little weight to the auger, but then again it also makes the holes the required depth for the getting below frost line in Michigan. Saves a ton of time vs. digging by hand since you can get 18 inches further down with this + the bolt it comes with. Downfall was the price. Should have been 20$... Not 40$.
M**T
Well made, easy to attach
Augured 4 mega holes with my harbor freight auger and a 14” auger bit. Needed a big deep hole for 6x6x16 post for homemade swing set. Well made easy install!
S**E
Works great with our auger
This added a little weight to the auger, but also makes the holes the required depth for the getting below frost line in Upstate NY. Saves a ton of time vs. digging by hand since you can get 18 inches further down with this.
J**X
Fits the 2 stroke Harbor Freight auger!
Worked great on a Harbor Freight 2 stroke Auger (w/Predator motor). Only modification was to purchase a bolt or pin that was slightly smaller in diameter to fit (< $1 or free if you have some laying around that'll fit). Was able to replace fencing and sink the posts down to 3 feet using this extension.
M**E
Great piece, well built.
I bought this because I needed to get deeper than my stock harbor freight auger would dig. It is thicker metal than the Harbor Freight auger. The bolt was the wrong size but I knew that before buying through the reviews I read. I am very satisfied and I would highly recommend this auger extension.
A**L
Works Great
Works great well made
Trustpilot
2 months ago
4 days ago