XSPC
XSPC Coin Fit G1/4 to 7/16 ID 5/8 OD Compression Fitting - Matte Black - V2
Best compression fittings for custom water cooling enthusiasts seeking tool-free installation.
Upgrade your custom water cooling loop with this 8-pack of XSPC Coin Fit Compression Fittings. Engineered for reliability, these fittings secure tubing with a 7/16 inch Inner Diameter and 5/8 inch Outer Diameter (11.1mm ID / 16mm OD). They feature the standard G1/4 thread for broad compatibility across components. Installation is remarkably simple and requires no tools, utilizing a unique coin-operated mechanism. The low-profile design ensures a clean aesthetic within your build, making these fittings an excellent choice for both new systems and upgrades.
$39.95
Owner Satisfaction
4.6
/ 5
Category Rank
632
/ 3597
#632 in Computer System Cooling Parts
Price vs Category Average
-74%
Below average
Finish
Chrome
/ Chrome
Who it's for
- System builders using standard water cooling components
- Aesthetic-focused builders wanting easy, tool-free installation
- Users prioritizing maximum security against liquid leaks
Who should skip it
- Builders preferring widely available standard tubing sizes
- Small form factor enthusiasts with limited internal clearance
- Novice builders lacking experience with tight-fitting components
Performance breakdown
Installation Convenience
The coin-operated mechanism makes tightening fittings in tight spaces effortless.
Build Profile
Low-profile design keeps your custom loop looking clean and uncluttered.
Component Compatibility
Standard G1/4 threading ensures seamless integration with most water cooling blocks.
Tubing Security
Compression design provides a reliable, leak-resistant seal for soft tubing.
Aesthetic Finish
Matte black coating offers a sleek, professional look for modern builds.
Value Density
The eight-pack configuration covers most standard loop requirements in one purchase.
Key Specs
Finish
Chrome
Tubing Compatibility
7/16 ID, 5/8 OD (11.1mm ID, 16mm OD)
Thread Size
G1/4
Design
Low profile, Coin Fit
Quantity
8 Pack
Cooling Method
Watercooling component
Features
- Tool-free coin installation and removal
- Low profile design for clean builds
- Secures 7/16 ID / 5/8 OD tubing
- Standard G1/4 thread connection
- Convenient 8-pack quantity
- Designed for custom water cooling loops
What customers say
XSPC Coin Fit compression fittings earn high praise for their superior ease of use and reliability in custom water cooling. The unique Coin Fit design significantly simplifies installation, allowing builders to achieve a secure, leak-free seal using a simple tool, avoiding the difficulty of hand tightening in tight spaces. Users consistently report excellent quality, noting smooth threads and dependable tubing grip. The Matte Black V2 finish is also celebrated for its deep, uniform, and durable aesthetic, enhancing high-end system appearances. While these fittings carry a premium price, customers feel the enhanced convenience and the peace of mind from XSPC’s consistent performance fully justify the cost. They are viewed as a top-tier choice for builders prioritizing both sleek design and straightforward assembly.
Know before you buy
These fittings are designed exclusively for flexible tubing with a 7/16-inch inner diameter (11.1mm) and a 5/8-inch outer diameter (16mm).
The compression collar features a slot on the top that allows you to use a standard coin as a lever. This provides extra torque to tighten the fitting securely without needing specialized wrenches or pliers.
Yes, they use the industry-standard G1/4 thread, which is compatible with the vast majority of water cooling blocks, pumps, and radiators currently on the market.
The low-profile design is excellent for tight builds, but because it sits close to the component, the coin-slot mechanism is specifically included to help you tighten the fitting in cramped areas where your fingers might not fit.
No, these are compression fittings designed specifically for flexible tubing. They will not provide a proper seal for rigid acrylic or PETG hardline tubing.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$40