ITEM NAME:2pcs 8mm Shank Bottom Cleaning Straight/ Dado Router Bit 5mm&18mm Wood Cutting Description: Router CNC Engraving Wood Working Bottom Cleaning Bit - 8mm/ 0.315in Shank - 5mm/18mm Cutting Diameter. Industrial grade micro grain car.Find many great new & used options and get the best deals for 2pcs 8mm Shank Bottom Cleaning Straight/ Dado Router Bit 5mm&18mm Wood Cutting at the best online prices at !