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How to Get Prawn suit drill arm in Subnautica: Below Zero

Prawn suit drill arm unlocks by scanning 2 fragments, 5 s per scan. The files place 7 fragment pins for it.

Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.

Fragment pin (7)The view is cropped to the pins; each dot opens that pin on the full map.

How to unlock Prawn suit drill arm

Scan fragments

Pieces needed
2
Scan time
5 s
Fixed pins
7

The fragment is called "Prawn suit drill arm fragment" in the game.

The game files read for this page do not say whether you start with this blueprint.

Where the pins are

Depth in metres: negative is below sea level, positive above.

Pins for Prawn suit drill arm
PinAreaDepth (m)PositionMap
FragmentDelta Island-291x -217, z -639Show on map
FragmentDelta Island-287x -213, z -671Show on map
FragmentDelta Island-274x -191, z -742Show on map
FragmentDelta Island-295x -137, z -616Show on map
FragmentPurple Vents-328x -61, z -629Show on map
FragmentLily Pads-249x 241, z -1284Show on map
FragmentLily Pads-246x 234, z -1264Show on map

What Prawn suit drill arm needs

In-game description: "Enables the mining of large resource deposits."

Crafted at: Fabricator, Seamoth upgrades, Seatruck Fabricator Module.

Menu path in the files: Fabricator: Upgrades > Exosuit Upgrades > Exosuit Drill Arm Module · Seamoth upgrades: Exosuit Modules > Exosuit Drill Arm Module · Seatruck Fabricator Module: Upgrades > Exosuit Upgrades > Exosuit Drill Arm Module.

About the Prawn suit drill arm blueprint

Prawn suit drill arm needs 2 fragments scanned. The game files place 7 fixed fragment pins for it, in Delta Island, Purple Vents, Lily Pads. Once unlocked it is made from 5 titanium, 1 lithium, 4 diamond.

See all data boxes and fragments, or the full crafting list.