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Nickel coated brass G 1/4in knurled stop fitting with slotted head and O ring

PrimoChill

PrimoChill G 1/4in SX Knurled Nickel Slotted Stop Fitting diy cooling

SKU CH-RR9F-63QGE

A G 1/4in coated brass stop fitting with knurled nickel finish and slotted head caps unused water-cooling ports and includes a sealing O-ring

  • TypeCPU Block

Option UV Orange

Show 8 more configurations

Struck-through versions exist but are not stocked here.

  • Coated brass resists corrosion for lasting reliability
  • Knurled surface gives secure grip during installation
  • G 1/4in thread fits standard water-cooling ports
  • Included O-ring ensures leak-free seal
  • SX finish matches other components for uniform look

G 1/4in Threaded Stop Fitting

This PrimoChill G 1/4in SX knurled stop fitting caps unused ports in a custom water-cooling loop. It is made from coated brass with a powder-coated finish for colour matching across the SX collection. The male G 1/4in thread fits standard water-block, radiator or reservoir ports. A sealing O-ring is included to ensure a leak-free closure.

Knurled Brass With O-ring Seal

The knurled body allows hand-tight installation without tools, while the slotted head accepts a screwdriver if extra torque is needed. Over-tightening is unnecessary and can make removal difficult, so finger pressure is sufficient. The coated brass construction resists corrosion inside the loop. This fitting frees up no additional space but provides a clean termination point for any open G 1/4in port in the build.

SX Collection Colour Match

The powder-coated Candy SX finish is designed to match other PrimoChill SX fittings so the entire loop shares a consistent tone. Knurled surfaces appear darker than smooth ones, a variation noted by the manufacturer. The single stop fitting and its O-ring are the only items supplied; no extra adapters or tools are bundled. The 20-year-old US brand backs the component with domestic support and craftsmanship.

Highlights

  • Coated brass resists corrosion for lasting reliability
  • Knurled surface gives secure grip during installation
  • G 1/4in thread fits standard water-cooling ports
  • Included O-ring ensures leak-free seal
  • SX finish matches other components for uniform look

Specifications

TypeCPU Block

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Questions about this item

Will the G 1/4in male thread seal reliably on an unused port during continuous operation?

The G 1/4in male thread includes a sealing O-ring designed to close off unused ports in a liquid-cooling loop.

Does the coated brass fitting add noticeable heat to the loop when the system runs all day?

The coated brass stop fitting is a passive component with no power draw, so it does not contribute measurable heat to the coolant.

What thread standard must the target port use for this stop fitting to install correctly?

The fitting requires a female G 1/4in port, the standard thread size used on most water-cooling components.

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