Irwin 88885 Speedbor Boring Bit Set, 1/4", 5 Piece Cake 6 AMP motor for heavy

6 AMP motor for heavy professional die grinding applications

Patented web taper increases the rigidity of the bit to decrease the potential for bit breakage

Single Throw

Length : 1

chiseled trim

Irwin 88885 Speedbor Boring Bit Set, 1/4", 5 Piece Cake 6 AMP motor for heavyHighlights: Shank Diameter: 1 4" Blue Groove point and cutting edge for faster chip removal overall drilling speed Double cutting spurs scribe the outside of the hole for reduced breakout and cleaner holes 40% thicker cutting edge and enlarged shank for increased strength longer drilling life 1 4" quick change shank reduces slipping in standard chucks Set includes (1) 3 8", (1) 1 2", (1) 5 8", (1) 3 4" and (1) 1" Number of Pieces: 5 pc. Cancer and