DART Blacksmiths Ground HSS Metal/Plastic/Wood Drill Bits,All Sizes 13mm To 25mm

Sizes 16.5mm to 25mm bits have a reduced shank size of 13mm (1/2"). Sizes 13mm to 16mm bits have a reduced shank size of 10mm. 13mm x 150mm. Milled flute. The overall lengths of the drill bits are as follows (approx.).

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