Diamond Core Drill Set of 5, M14
Specification: Hole dirll size: 6/8/10/12/14mm, Diamond Shank, M14 Thread. 
Application: For drilling granite ,marble, ceramic, masonry, porcelain, 20mm porcelain. 
Wax inside for cooling, Dry and wet drilling, very high efficiency, multi-purpose drilling. Long life drilling.
 
Safety Precautions: Do not use without appropriate safety equipment. This includes ear protetion, safety glasses, safety guard. 
 
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