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 DWC06-Solid Carbide V Carving 30 Deg x 1/4 Dia x 1/4 Inch Shank x 3-Flute $23.98 Diamond 90 degree Tip Bit $25.00 DWC04 Solid carbide 90 degree Vee 3 Flute groove bit $21.79 RU2075RN WS 1/4 Ball Round Nose Bit $27.00 DWC02-1/8" Solid carbide 2 flute tapered ball nose bit $35.98