Adjustable Length Countersink Drill Bit Set Perfect for Various Screw Lengths
20,86 €
This 1/4" hex shank countersink drill bit set consists of 5 pieces in different sizes (2.5/2.8/3/3.2/3.5mm). Color:orange，sliver（as picture ）. Use hexagonal wrench to remove the screws and adjust the length of the countersunk hole to adjust the drilling length for screws of various lengths.
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