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services 5 inch
core drilling a cement block wall
This is a small core drilling job we did in Morrisville, NC, which is a small suburb of Raleigh, NC. The 5 inch core drill holes in the block wall were for new gas lines at the newly constructed Duke medical center on Arlington Dr. Most cement block walls are poured with concrete and rebar every other block or 16 inches, sometimes every 2...
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products BLOG
core drilling limestone wall
Price $600
In of itself a core plug is often not very special. But being that we rarely have to core drill through limestone we took a picture of the core when we cored a 6 inch hole for new roof drains at the preyer federal courthouse in greensboro, NC in early june of 2020. ...
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services 6 inch
core drilling limestone
This us, Carolina Precision Core Drilling Inc. core drilling a 6 inch hole through the limestone top of the federal courthouse in Greensboro, North Carolina during the time of the great Riots, which is the time right after the great pandemic. None the less work has gone on despite the lock downs and riots though out the local cities in ou...
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services 3 inch
3 inch hole in a cement block wall
This particular core drilling job was pretty high on a block wall which can be difficult to accomplish. Hollow cement block walls are the toughest to core drill when the hole needs to be more than 6 foot off the floor. We often use Redhead brand 1/2 inch and 3/8 inch sleeve anchors to secure the rig to the wall. In this case we are drilli...
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products Hole chart
size of core drill hole for pipe
Price $1
Sleeves for pipe. Why they are needed. An occupied building means more weigh. it's the crush effect! With many of the massive concrete structures being built during this period in the early 2000s a tradesman may come across having to sleeve the hole for some odd reason they can't figure out. Well, mystery solved. Engineers purposely figu...
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services BLOG
core drilling heavy rebar
This is a core drill sample from a wall in charlotte nc. See the heavy rebar in the core. our bits can cut strait through this type of heavy metal. When core drill the wall we used less than 2 gallons of water. Water is the cooling fluid of choice for core drilling concrete. There is no need for expensive cooling agents as water in its n...