1" FORSTNER BIT1" FORSTNER BIT 42916, 3/8" SHANK, (NEW #1966900) Irwin Forstner Bits all have reduced 3/8" shanks so they fit into 3/8" portable drills and machines that feature a 3/8" drill chuck. They also feature a brad point tip that helps start the bit cleanly, especially on uneven surfaces. A 4" extention with a 3/8" shank is also available, part number is 42936.
Metalworking & Cutting Tools Drill Bits Forstners Bit - IRWIN-FB1 - 1" FORSTNER BIT
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