The Cyborg Pickaxe is the first tool you can buy in the Cyber Galaxy in Mining Simulator 2. It costs 350m space tokens with a mining power of 800 & mining speed of 470.
Aside from the Rebirth & Robux tools, this is the strongest pickaxe that free-to-play players can use in the game.
Mining Power: 800
Mining Speed: 470
Cost: 350m space token