Diablo DAG3130 1-1/8" x 17-1/2" Auger Bit - BC Fasteners & Tools Quick change shank increases stability and durability in cordless and corded impact wrenches and drill drivers. Two-step cutting action for precise, clean holes in wood drilling applications The self-feeding Dura-Tip™ pulls the bit while the dual cutting edge delivers an effortless, smooth drilling experience in wood with nails. Nail Embedded Wood Bit Diablo DAG3130 Auger Bit, 1-1/8" X 17-1/2 Hex Shank Bit Model DIAB DAG3130. A two-step cutting action creates holes that are precise and clean. Deep flutes enhance the chip. • 7/16 in. hex quick change shank... Dura-Tip for extreme durability in nail-embedded wood A two-step cutting action creates holes that are precise and clean. DAG1030 | Auger Bits | Individual Bits - Diablo Tools Dual cutting edge design for effortless, smooth hole drilling in nail-embedded wood