Reduced Shank Drills. - HSS Blacksmith/Reduced Shank Drill Bit. - 13.5mm, 14mm, 14.5mm, 15mm, 15.5mm, 16mm, 16.5mm, 17mm, 17.5mm, 18mm, 18.5mm 19mm, 19.5mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm & 26mm.
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