I had to drill some holes in a concrete slab to hang plywood in my basement. I didn't have the right bits for my new impact drill so I ordered them and they worked great. Very sharp and straight, they went into the concrete with no problems. At the end of the project some of the orange trim was removed but they were still in fantastic condition.
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
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High-Performance Bosch BS80 6W Bandsaw - 80 Inch 4 Inch Blades
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