Push to Connect Air Hose Fittings Kit 170PCS - Quick Repair

In this review of the 170PCS push to connect air hose fittings kit the bottom line is simple: this set is for technicians and hobbyists who need a comprehensive, quick-repair solution for pneumatic lines. The kit's single biggest advantage is its range of sizes and the push-fit design that lets a user replace or extend air lines with minimal tools and downtime. Testers found the fittings easy to install, resistant to leakage, and well organized in a transparent portable box that keeps each size separated for fast access.

Key Features

• Wide size range: The kit includes ten sizes in both metric and imperial to cover common PU tube diameters, reducing the need to buy separate fittings.
• Quick connect design: Push fit connectors allow fast attachment and release of hoses, speeding repairs and maintenance in workshop or lab settings.
• Durable materials: Nickel plated brass and PBT construction provide corrosion and acid resistance for longer service life under industrial conditions.
• Secure locking: An internal locking clip spring holds tubing firmly and resists high pressure to prevent accidental release.
• 360 degree rotation: The rotatable cap design simplifies hose routing and reduces stress on tubing after installation.
• Organized storage: A transparent portable box keeps each size sorted and easy to transport to job sites.

Who It's For

This kit is aimed at maintenance technicians, automation engineers, and serious DIYers who work with pneumatic tools, car air suspension, laboratory automation, or spray paint systems and need a broad selection of quick connect fittings on hand. The variety of sizes and sturdy materials make it practical for shops that service different machines and fittings.

It is less suitable for users who only need one or two specialty sizes and would prefer to buy individual fittings, or for applications that require specialty seal types not implied by the kit. If ultra high temperature or exotic chemical resistance is required, a user should verify compatibility before relying on these fittings.

Pros & Cons

Pros

• Easy to connect and disconnect, improving repair speed and reducing downtime.
• High quality feel with nickel plated brass and PBT for corrosion and aging resistance.
• Comprehensive assortment in one portable box covers common metric and imperial tubing sizes.
• Secure locking mechanism reduces risk of accidental disconnection under pressure.

Cons

• Value perceptions vary among buyers; some may find the full 170PCS more than they need.
• Not specified for extreme temperature or exotic chemical environments, so check compatibility for specialized uses.

Specifications

Kit contents	170 pieces across 10 sizes
Metric sizes included	30x 4mm, 30x 6mm, 20x 8mm, 10x 10mm, 10x 12mm
Imperial sizes included	20x 1/8in, 20x 1/4in, 15x 5/16in, 10x 3/8in, 5x 1/2in
Materials	Nickel plated brass and high quality PBT
Applications	Pneumatic tools, automation equipment, car air suspension, spray paint, dental and lab gear
Storage	Transparent portable box with sorted compartments

Our Verdict

The 170PCS push to connect fittings kit is a practical, well-built assortment for those who service pneumatic systems and need fast, reliable repairs. With durable nickel plated brass and PBT construction, secure locking rings, and a wide size selection organized in one portable box, it delivers good functionality and convenience for workshops and labs, though single-use buyers may find the full kit larger than necessary.

Frequently Asked Questions

Are these fittings leak prone?
Users report reliable, leak-free connections when used with compatible PU tubing and when properly seated into the push-fit collar.

What tube materials are compatible?
The kit is suitable for common PU tubes; compatibility with other plastics should be verified before installation.

Can these withstand high pressure?
The internal locking clip spring and nickel plated brass body are designed to resist high pressure in typical pneumatic applications, but verify system pressure ratings for critical uses.