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is the exclusive wholsaler of //AUTOSTEM for Washington state.

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//AUTOSTEM was used in the city limits of Spokane WA with great  success.

The city engineers have recommended //AUTOSTEM to  to contractors as a safer and effective way to remove rock with out using high expolsives.

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The price will drope with the more product you buy.

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//AUTOSTEM is new to the United States and is safer and more  efficent product then hydraulic hammering and high explosives.

About Us

Excavator Mounted Drill

We can get you in contact with contractos that can drill and use //Autostem products if needed.

Autostem is Reliable and Safe

Since Extavation Technologies LLC is the exclusive wholsaeler of //AUTOSTEM in Washington State. We keep in constant communication with our  clients and contractors to ensure that the project is completed safely and on time.


The world's only self-stemming, non-detonating power cartridge. Autostem cartridges are highly efficient in fracturing rock and/or concrete and bore hole sizes from  3/8" up to 4". The power cartridge deflagration with a VOD of only 340 m/s compared to high explosives at 5000 m/s 


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Get An Estimate

To get an estimate, please reach out so we  can discuss your project. 

Excavation Technologies LLC

12402 N. Division ST #163 Spokane, WA 99218

(509) 710-7738 or ed@extecllc.com


Monday - Friday: 8am - 5pm

Saturday - Sunday: Closed

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