10 inch Hex Shank Forstner Drill Bit Extension for 3/8 Inch Round or Hex Shafts
This hex shank Forstner bit extension will extend the reach of any Forstner bit with a 3/8" round or hex shank. Note: will not work with auger bits. The overall length is 10" and adds up to 8-1/2" of drilling depth. The hole opening is .375" with a depth of 1-3/8". Bits are secured via two set screws for a secure grip. A hex wrench included. Can be used in a hand drill, drill press or lathe. Made from precision machined steel.
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