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 Amana Tool 40784 Solid Carbide Carving Liner 22 Deg x 1/4 Dia x .648 x 1/4 Inch Shank x 1-Flute $38.00 RD2075 WS 1/4" Down Cut Spiral Bit $23.19 Sold out Engraving Bit for Mini $75.00 DWC03-1/4 Ball Round Nose Bit $33.29 DWC02-1/8" Solid carbide 2 flute tapered ball nose bit $35.98