Dewalt DW1640 Specifications: Shank: 7/16" Self-Feed Bit: 3" Dewalt DW1640 Features: Two cutter design reduces binding and stalling Self-feeding screw provides fast material penetration Flats on bit shank for better bit rete...

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Dewalt DW1640 Specifications: Shank: 7/16" Self-Feed Bit: 3" Dewalt DW1640 Features: Two cutter design reduces binding and stalling Self-feeding screw provides fast material penetration Flats on bit shank for better bit retention Blades can be resharpened

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