Diablo's installer drill bits offer premium performance and superior life in wire installation projects. The small hole in the flute makes feeding cables and wires effortless.

Highlights:

• Size : 1/2 Inch x 18 Inch
• An ultra-sharp tip maximizes durability for fast, straight holes in clean wood or stacked lumber
• Black oxide coated flutes prevent debris build-up for fast chip removal
• The small hole in the flute makes feeding cables and wires effortless
• The 3-flat shank provides extra stability by eliminating spinning in the drill chuck