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Black 90 degree rotary coupling with G1/4 thread for 12mm OD rigid tube

Barrow Mods

Barrow Mods TWT90KND-K12 90° rotary coupling G1/4 12mm OD black

SKU CH-RMZZ-VVP84 MPN TWT90KND-K12

Connects 12mm OD rigid tubing at a 90-degree angle with a G1/4 thread for leak-free water-cooling builds

  • Key featuresMake quick 90 degree turns in your hardline tubing system wi
  • Quick 90° turns without bending hardline tubing
  • Secure leak-free grip on 12mm OD rigid tube
  • Standard G1/4 thread fits common water-cooling parts
  • Rotary design simplifies alignment in tight builds
  • Black finish matches dark-loop aesthetics

Quick 90° turns for 12 mm OD hardline

This Barrow Mods rotary coupling lets builders route rigid tubing at right angles without bending or stressing the tube. The G1/4″ thread connects directly to standard water-cooling blocks and radiators. It is designed for custom-loop builders who need clean, leak-free corners in a hardline build.

G1/4″ thread and 12 mm OD clamp

The single spec that decides fitment is the combination of a standard G1/4″ male thread and a 12 mm outer-diameter compression seat. Only 12 mm OD rigid tubing seats correctly; soft tubing or any other hardline size will not seal.

Handles one 90° bend per fitting

Each adapter manages a single 90 degree change of direction in a 12 mm hardline run. Multiple units can be chained for complex routes, but every additional joint adds a potential leak point and flow restriction. Builders needing tighter radii or softer tubing must choose a different fitting type.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 68% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameBarrow
Model nameTWT90KND-K12
Part numberTWT90KND-K12

Questions about this item

How does the 90° angle work inside a finished loop?

The rotary joint lets you make a sharp 90° turn in rigid tubing without bending the tube, so the run stays straight until the fitting itself changes direction.

What does the G1/4" thread connect to in practice?

The standard G1/4" thread screws directly into any water-block, radiator, pump or reservoir port that uses the same thread, giving a universal connection point.

What tubing size and type must I have for this fitting to seal?

It only accepts 12 mm OD rigid hardline tubing; soft tubing or any other diameter will not seal or lock in place.

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