- Patented micro-groove cutting edge and spurs produce a smoother hole finish
- Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
- Extra length provides added reach
- Not for use with bit extensions
- All extra-long flat bits are 16" long
![Irwin Speedbor® Extra-Long Flat Bits, 3/4" x 16", Bulk, #IR-99712 (24/Pkg) Irwin Speedbor® Extra-Long Flat Bits, 3/4" x 16", Bulk, #IR-99712 (24/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/259360/443892/88706__32655.1666373348.jpg?c=2)