the HC8526 offers better power transmission and is designed to allow smaller hammers to drill larger holes. VERSATILE: This core bit is versatile in application with materials including concrete ...

However, others stated that the bits would wear down after a couple of uses on their tile. In a similar vein to glass, attempting to drill through masonry materials like brick or concrete with ...

Harbor Freight has driver and impact, twist, woodboring, masonry, and step drill bits available. If you're drilling through softer material like wood, twist bits should serve you just fine.

Grego: The most common design in concrete drill bits is the two-cutter, although most users wouldn’t refer to it that way. They just know the bit by the two cutting edges on the end of the bit tip.

“Diamond blades or bits may jump out of the cut or get pinched ... “Silica dust inhalation is a long-term concrete drilling hazard,” Minnich acknowledges. “OSHA and manufacturers have ...