Irwin Speedbor Self-feed Wood Bit, Size: 3"

Irwin Wood Boring Bit Extension, 11/16" WOOD BORING BIT SPEEDBOR

SPEEDBOR Speedbor Flat Bit, 1 3/8 in Dia.

Irwin Wood Boring Bit, Size: 3/4" x 6" Woodboring bit

SPEEDBOR Speedbor Flat Bit, 1 1/2 in Dia.

Irwin Speedbor 2000 flat bit at 9/16 inch diameter. Spade bit drills larger holes in wood than twist drill bits during electrical and plumbing fit-out work.