Oversized Steel Tube Nut 1/4" x 9/16" x 18 TPI Blue - The Main Resource

The Main Resource 3025 Oversized Steel Tube Nut is engineered for robust, leak-free connections in critical automotive and industrial fluid transfer systems. Designed for 1/4" steel tubing, this precision-machined fitting ensures reliable performance in brake, fuel, and light hydraulic applications, supporting durable repairs and new line fabrication. Its specialized oversized design provides an enhanced grip for demanding professional use.

Key Features

• Oversized Design for Enhanced Grip: Specifically engineered for 1/4" steel tubing, this nut provides a secure and robust connection crucial for maintaining system integrity in professional vehicle maintenance and industrial setups.
• High-Quality Steel Construction: Manufactured from durable steel, it resists deformation under high tightening torque and operational loads, preserving flare integrity for a long-lasting, reliable seal.
• Precision 18 TPI Threads: Delivers consistent, leak-resistant engagement, meeting the exacting specifications required for various professional brake and fluid system components.
• Standard 9/16" Hex Size: Compatible with common professional line wrenches and sockets, allowing for efficient installation and removal, particularly in confined engine bay or underbody spaces.
• Corrosion-Resistant Blue Finish: Provides enhanced protection against environmental corrosion and offers quick visual identification, streamlining workflow in a professional technician's toolbox or repair kit.

Applications

This Oversized Steel Tube Nut is an essential component for professional technicians performing brake line repairs, line replacement, and re-flaring operations on passenger cars and light trucks utilizing 1/4" steel tubing. It is also well-suited for OE-style or custom hard line fabrication projects where precision and durability are paramount. Beyond automotive, it serves effectively in light industrial and hydraulic fluid transfer systems for maintenance, retrofits, and component replacement, especially when a 1/4" tube, 18 TPI, 9/16" hex fitting is specified.

Specifications

• Manufacturer: The Main Resource
• Model Number: 3025
• Tube Size: 1/4"
• Hex Size: 9/16"
• Thread: 18 TPI
• Material: Steel
• Finish: Blue
• Weight: 0.03 lbs