Irwin® 43805 Full-Length Auger Bit Extension, 11/16 in Drill, 18 in L, 5/16 in Shank, 23/64 in Body
Item #BC072062
Irwin® Auger Bit Extension, Full-Length, Series: E516, 11/16 in Drill, 5/16 in Shank, 18 in Length, 23/64 in Body Dia
- Extension adds 18 in to regular bit length
- Six-flatted shank provides better chuck grip and reduces slippage
- Single cutting spur scribes the outside of the hole for faster drilling, cleaner holes and a smoother finish
- Solid center design increases durability and provides rigidity for smooth, straight drilling
- Coarse screw point for fast drilling in soft and hard woods
- Full-length heat treating strengthens the twist, guarding against bending in tough applications and improves overall bit durability and drilling life