Diablo Installer Bit 3.5"-4.5" Compatible with matching 9200 series

Compatible with matching 9200 series handrail fittings

Taller segments containing superior quality diamonds along with an ultra-durable bond to the disc body for up to 2x longer life

Thicker than peanut butter but not as thick as bubble gum

wobble-free installation

Diablo Installer Bit 3.5"-4.5" Compatible with matching 9200 seriesDiablos Installer Drill Bits offer premium performance and superior life in wire installation projects. 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. Ultra sharp tip for