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Diablo Freud DMARG1210 SPEEDemon Granite Review

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
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Description of Diablo Freud DMARG1210 SPEEDemon Granite

Diablo made carbide tip withstands impact and high heat applications for superior life versus standard masonry hammer drill bits. Hi-performance brazing and hardening process extends life of carbide tip and increases productivity. Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability. More holes per charge in cordless impact and drill drivers. Maximum performance in hammer or rotary drilling applications.

Reviews

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Type of review

Revainrating 5 out of 5

Still working on rock drill bits

Over the years I have purchased several less expensive bits. None of them last as long as this Diablo beat. I mostly use size 5/32 for drilling pilot holes for self-tapping screws in concrete. I've used this larger one to make pipe holes in concrete and log walls. It works well in the Dewalt Atomic 20V Cordless Impact Drill. Through the cinder block, like clockwork. I can't even count how many holes we've drilled in the last three days. Maybe 30. Most through the air, but some completely block…

Pros
  • More holes per cordless impact and drill
Cons
  • alt