A core drill is a hollow, cylindrical drill that is used to make holes
through a surface. It is made of metal, and the drill tips are usually
coated with either diamond or carbide.       

• Wet / Dry Sizes    Wet Sizes       
• 1.5"                        2.0"      
• 2.0"                        3.0"       
• 2.5"                        4.0"  
• 3.0"                        4.5"  
• 4.0"                        5.0"
•                                6.0"    
•                                8.0"    
•                                10.0"    
•                                12.0"