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DTH BIT
Seven series, 186 sizes — open a series for the full size table and product photos
DHD 系列 DTH Drill Bit
11 models · 60 sizes · flat / convex / concave
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Mission 3–8 寸 DTH Drill Bit
5 models · 26 sizes · flat / convex / concave
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NUMA 系列 DTH Drill Bit
3 models · 20 sizes · flat / convex / concave
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QL series DTH bit
8 models · 44 sizes · flat / convex / concave
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SD 4–12 寸 DTH Drill Bit
6 models · 36 sizes · flat / convex / concave
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