Comments by "bestamerica" (@bestamerica) on "Best Step Drill Bit? Let's find out! DeWalt, Milwaukee, Bosch, Irwin, Diablo, Makita, Bauer, TEMO" video.

  1. hi P F... ' better rather first use a HSS drill bit then change to HSS step drill bit
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  2. hi B F... ' BS is a B-best S-service
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