3X Cutting edges extends bit life compared to standard IRWIN self-feed bits Aggressive Screw Pitch 7/16" Quick Change Impact Shank Item # Description Diameter Overall Length Shank Size Pack Quantity 3046004 1" Speedbor Self-Feed Wood Bit 1" 5" 7/16" 1 3046005 1-1/8" Speedbor Self-Feed Wood Bit 1-1/8" 5" 7/16" 1 3046006 1-1/4" Speedbor Self-Feed Wood Bit 1-1/4" 5" 7/16" 1 3046007 1-3/8" Speedbor Self-Feed Wood Bit 1-3/8" 5" 7/16" 1 3046008 1-1/2" Speedbor ...
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