core drill

Dry vs. Wet Core Drilling: What's the Difference?

Drilling has many uses for a wide range of industries because of its efficiency in cutting concrete. Concrete is one of the hardest materials used in construction. If you want to create holes in concrete, then drilling is the way to go. 
This article will highlight the key differences between wet and dry core drilling and how to choose the proper method. 

How Do You Choose the Right Core Bit? 


A core drill bit is a special process used to create cylindrical shapes in different materials, including concrete, pipes, and electrical fencing. This requires powerful drilling equipment (like core drills and diamond blades) that cuts accurately through the material.  
When choosing your coring tools, you'll need first to know which material you're cutting and the environment you're working in (i.e. if it is wet or dry). The more you know about these factors, the more you avoid core bit repair. 

 
Wet Drilling 


We drilling is when you use water to ease the drill piece onto your chosen material. The drill has a hollow core that helps remove the core from the hole. This often results in a nice, smooth center.  
You would use wet drilling for plumbing projects. It's also suitable for pipes, maintenance holes, or drilling in concrete and brick. 
The advantages outweigh the fact that it requires a water source. It's considered to be the faster drilling method. It flushes out the cut and controls the dust. In addition to that, it also has a longer-lasting bit and a more durable wall.  
Further characteristics of wet drilling include: 

  • It requires a water source to function. 
  • The industry standard size of a wet core drill bit is 1-1/4" - 7 arbor thread size.  
  • It has a 15.5" barrel length.  
  • The job site needs to have a water containment.  

Be careful of the following: too much water means that the dust particles may be washed away. This prevents the diamonds in the drill from being exposed and cut properly. You should add just enough water to have a thick, creamy substance. 
 

Dry Drilling  


Dry drilling is when you drill in a dry environment. There may be times when water is not accessible or if there is an electric power line nearby. Then it is more beneficial to use dry drilling.  
A dry core bit can be used on a standard core drill or a rotary drill hammer. It's best to use an adapter to have better control over the bit. The best materials for dry drilling include soft concrete, brick, and block. It's also better suited for horizontal drilling. 
Fortunately, water is not the only way to ensure the removal of dust. There are quite a few ventilation systems that can reduce the amount of dust in your work environment. This makes dry drilling a little bit easier.   


Further characteristics of dry drilling include: 

  • You do not need a water source.  
  • The dust from the concrete may be harmful.  
  • The job site may require dust containment.  
  • The industry standard size of a dry core drill bit is 5/8" - 11 arbor thread size. 
  • It has a 10" barrel depth. 

 
Our Recommendation for Core Drilling 


If your job allows for it, we recommend using wet core drilling. It's the more powerful option that tends to avoid the harmful effects of dust. Dry drilling is more suitable for DIY users.  


Are you looking for diamond blades in your upcoming job? Then contact us for more information about our wide range of blades and tools for your project. 
 

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