Thermal Grizzly DeltaMate Compression Fitting, Brass - Gloss Nickel, ST13 (13mm OD, G1/4 inch)

Engineered for 13 mm hard tubing, the Thermal Grizzly DeltaMate compression fitting delivers a secure, leak-free connection with a premium gloss nickel finish over solid brass. Its G1/4" thread and O-ring seal ensure reliable integration into custom water cooling loops.

Overview

The DeltaMate ST13 is a high-quality compression fitting designed for PC liquid cooling systems using hard tubes with an outer diameter of 13 mm. Machined from brass and finished in gloss nickel, it offers excellent corrosion resistance and a sleek, chrome-like appearance that complements any build. The fitting features a standard G1/4" thread, making it compatible with most water blocks, radiators, pumps, and reservoirs. Installation is straightforward: simply screw the fitting into the component and secure the tube with the compression ring. The integrated O-ring provides a tight seal, preventing leaks even under pressure.

What stands out

• Precision-machined brass construction with gloss nickel plating for durability and aesthetics.
• Compatible with 13 mm outer diameter hard tubing (PETG, acrylic, etc.).
• Standard G1/4" thread fits all common water cooling components.
• O-ring seal ensures leak-free operation and long-term reliability.
• Corrosion-resistant and reusable, ideal for custom loop maintenance.

Technical details

• Product type: Compression fitting for hard tubing
• Tube outer diameter: 13 mm
• Thread size: G1/4"
• Material: Brass
• Finish: Gloss nickel
• Color: Silver / Chrome
• Seal type: O-ring
• Series: DeltaMate
• Installation method: Screw-on
• Quantity: 1 piece
• Reusability: Yes
• Corrosion resistance: Yes
• Leak protection: Yes
• Manufacturer: Thermal Grizzly

Our verdict

The DeltaMate ST13 combines robust brass construction with a flawless gloss nickel finish, offering both performance and style. Its 13 mm compatibility and standard G1/4" thread make it a versatile choice for any custom water cooling enthusiast seeking a reliable, leak-free connection.