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Silver brass extender fitting with diamond pattern, 30mm length

Bykski

Bykski B-EXJ-30 30mm Extender Fitting Diamond Pattern Silver

SKU CH-9K9D-ZC9EE

A 30 mm brass extender fitting with a diamond-pattern finish in silver

  • Fan sizeNo Fans
  • Product typeFittings
  • Product colorSilver
  • 30 mm extension adds loop flexibility
  • G1/4 male-to-female thread fits standard water-cooling parts
  • Brass body resists corrosion for long service life
  • Diamond-pattern knurl gives secure grip when tightening
  • Silver finish matches colour-themed builds

Purpose and fit

The Bykski B-EXJ-30 is a 30mm male-to-female extender fitting designed for custom liquid-cooling loops. It adds a short, fixed offset between components that share a G1/4 thread, helping builders align blocks, radiators or reservoirs without flexible tubing.

Thermals noise and power

As a passive brass fitting it generates no heat, draws no power and produces no audible noise. The metal body simply conducts coolant at the loop’s operating temperature, so thermal performance depends entirely on the other components in the circuit.

Build quality and daily use

Machined from brass with a silver finish and a boutique diamond-pattern grip, the fitting resists corrosion and provides a secure hand-tight seal. The knurled texture makes installation and removal straightforward, while the rigid 30mm length keeps the offset consistent during routine maintenance or loop reconfiguration.

How it compares

Measured against everything we stock in Other Adapters & Couplers, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 60% of the 1,761 comparable items (median $18.99).

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Specifications

Product
Product typeFittings
Product colorSilver
Size & build
Fan sizeNo Fans

Questions about this item

How do you install the 30mm extender fitting and what step is often missed?

Screw the G1/4 male thread into the component and the female side onto the tubing fitting; the step often missed is using a wrench on the brass flats instead of twisting the diamond-pattern barrel, which can loosen the internal seal.

What maintenance will the brass extender need over time?

Inspect the O-ring inside the female G1/4 port annually and replace it if it shows flattening or cracking; the nickel-plated brass body itself requires no maintenance beyond wiping coolant residue during loop draining.

What limit appears first when the extender is under sustained pressure and heat?

The O-ring seal reaches its temperature and compression limit before the brass body, so prolonged high-temperature operation may cause slow seepage at the female thread first.

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