The Titanium Drill DR-X355 has a base ♢ Fuel of 3,000, which can be increased through a Fuel Tank. Additionally, a Drill Engine and Upgrade Module can be added to the drill through a Drill Anvil to grant further bonuses.
The Titanium Drill DR-X355, along with a variety of other items, can be used to forge a Titanium Drill DR-X455 once the player has reached Heart of the Mountain V. It takes 30 seconds to forge.
It takes a total of 390 hours (16 days and 6 hours) to forge the materials and the drill. It can be decreased with the Quick Forge perk and multiple Forge slots to 54.6 hours (2 days and 6.6 hours).
1x Titanium Drill DR-X355
Aquamarine, 
Citrine, 
Onyx and 
Peridot remove 2 ♢ Fuel instead; 
Glacite, 
Umber and 
Tungsten remove 3 ♢ Fuel instead. ♢ Fuel can be regained by adding Fuel to the Drill through a Drill Anvil.
Titanium Drill DR-X455 once the player has reached Heart of the Mountain 
Added Ruby Drill Model TX-15.
8x Refined Titanium and 
8x Refined Mithril to forge, instead of 