This special engraving bit can be used to engrave stone, metal, plastic, and glass.
Stained Glass with CNC Mill : r/StainedGlass
This Diamond-Tipped Bit Allows You Engrave Steel, Metal, Glass
10pcs CNC Router V Bits, 3 Edge Pyramid Engraving, 1/8 Shank CNC
VEVOR Diamond Drill Bits 6/8/10/13/19/25/32/51 mm Diamond Hole Saw
Spring Loaded Engraving Tool - 3/4 And 20 Mm Part Marking System
CNC router - Wikipedia
3/4'' X 2-1/4'' 4 FLUTE BALL NOSE-MpC4 COATING
Diamond Grinding Burr Drill Bit Set Rotary Tool Accessories - Temu
New Ryobi 160 Lumen LED Flashlight
Stunning Detail Diamond Drag Engraving Bit for CNC Routers, 1/4
Dremel 1/8 in. Rotary Tool Spear-Shaped Tungsten Carbide Accessory
A versatile, high-quality cutter made of high-grade steel. Ideal for shaping, hollowing, grooving, slotting and inlaying. Also ideal for making tapered holes in soft metals, plastics and woods. 1/8 in bit Dia (3.2 mm).
Dremel 194 Carving & Shaping Cutter, 1/8 Shank, 2-Pack
CNC Router Cutting Tools, Brazed Fine Sand Diamond Ball Nose