Best Hex Shank Drill Bit Sets Technical Review | 2020
2021-6-6 · When the Lithium-Ion 18v cordless drills were introduced, that was a huge step forward for cordless drills. A big change in drill bits was introducing the hex shank drill bit set in like manner. This shank design gives you an advantage over the rounded base because it makes it much easier to bit & drill lock, preventing slipping.
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