Router Bits › Engraving Bit for Mini Image 1 of 3 Image 2 of 3 Image 3 of 3 Engraving Bit for Mini $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 DWC02-1/8" Solid carbide 2 flute tapered ball nose bit $35.98 RD2075 WS 1/4" Down Cut Spiral Bit $23.19 Sold out Engraving Bit $75.00 RU2075RN WS 1/4 Ball Round Nose Bit $27.00