Router Bits › Engraving Bit Image 1 of 2 Image 2 of 2 Engraving Bit $75.00 The Diamond tip allows you to etch on hard material. Purchase Added! The Diamond tip allows you to etch on hard material. Specifications:Engrave the following materialsNon- Ferrous MetalsCeramic Tile Etch Hard MetalsMarble Related Products 1/8" (.125) Ball Nose End Mill $10.00 Engraving Bit for Mini $75.00 DWC01-Solid Carbide 1/16" flute tapered ball nose bit $35.98 DWC08-Solid Carbide 1/8 x 1" cut length 1/4 Shank 2 Flute Router Bit $28.35 DWC03-1/4 Ball Round Nose Bit $33.29