Irwin 3046006 1-1/4In Self-Feed Wood Bit Wall Applications: Joining boards and letting

Applications: Joining boards and letting in back panels with different depths of cut

Nylon and polyester blend bristles

Electronically induction hardened angled cutting edges and blade sizes

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Irwin 3046006 1-1/4In Self-Feed Wood Bit Wall Applications: Joining boards and letting"IRWIN INDUSTRIAL" SELF FEED DRILL BITS Drill large diameter holes in wood for pipe, conduit and other applications. Effortless cutting, even in gummy wood. Each bit is packaged with one hex key and two feed screws. Feed screws has a coarse thread for fast boring. Spurs on the outside diameter cut holes clearly and accurately. Quick Change impact shank on all sizes. 7 16" Hex Shank Dia. Ins.=1 1 4