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.
Irwin Speedbor 2000 flat bit at 5/8 inch diameter. Spade bit drills larger holes in wood than twist drill bits during electrical and plumbing fit-out work.
Irwin Speedbor 2000 flat bit at 7/8 inch diameter. Spade bit drills larger holes in wood than twist drill bits during electrical and plumbing fit-out work.