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Home / Lighting / Driving & light bars

Straight adaptor with a white push-in collet at the top and a tapered 3/8 inch male thread on a chromed metal body below

Elevate Automotive

12mm x 3/8" Straight Adapter Male Stud QF metal

QFM03-1210

A durable push-in straight male stud adapter designed for reliable 12mm to 3/8" threaded connections in caravan, 4WD, and off-grid plumbing systems. The QFM03-1210 Cross fitting provides a secure transition from 12mm push-fit tubing to a 3/8" male stud, making…

$17.50

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Important note

QF Metal Cross QFM03-1210 straight male stud adapter designed for reliable push-fit plumbing connections in automotive and water systems.

We accept
Universal – suitable for caravans, 4WDs, RVs, marine and off-grid water systems

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A durable push-in straight male stud adapter designed for reliable 12mm to 3/8" threaded connections in caravan, 4WD, and off-grid plumbing systems.

The QFM03-1210 Cross fitting provides a secure transition from 12mm push-fit tubing to a 3/8" male stud, making it ideal for water systems, filtration setups, pumps, and custom plumbing installs where strength and leak-free performance are essential.

Built with a robust metal body, this fitting is designed to handle vibration, pressure, and harsh touring conditions. The push-fit design allows for fast, tool-free installation while maintaining a secure seal for long-term reliability.

  • 12mm push-fit to 3/8" male stud connection
  • Heavy-duty metal construction
  • Quick push-in installation, no tools required
  • Leak-resistant sealing system
  • Suitable for water systems in mobile and off-grid setups
  • Designed for vibration and pressure resistance

Brand: QF Metal

Product Code: QFM03-1210

Size: 12mm tube x 3/8" male stud

Type: Straight adapter

Material: Metal body

Length: 35mm

Width: 20mm

Height: 20mm

Weight: 0.04kg

Source: Elevate measured

Push 12mm tubing firmly into fitting until locked, and thread male stud into compatible 3/8" female port.

Use thread seal tape on threaded side for best results.

Universal – suitable for caravans, 4WDs, RVs, marine and off-grid water systems

Q: What is this fitting used for?
A: It connects 12mm push-fit water line to 3/8" male threaded ports.

Q: Is it suitable for caravans and 4WD systems?
A: Yes, it’s commonly used in off-grid, caravan, and RV plumbing setups.

Q: Do I need thread tape?
A: Yes, PTFE tape is recommended on the threaded side for proper sealing.

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