Mega Mass Plastics - Micro Irrigation Threaded Inserts

Connect small tubing to larger threaded plumbing without a collection of reducers and adapters.

These compact Mega Mass Plastics Male Thread to Hose Barb Adapters make it easy to connect 3/16" flexible tubing directly to compatible threaded pumps, manifolds, valves, and irrigation components.

Featuring a 3/16" barbed tubing connection on one end and a male pipe thread on the other, these versatile fittings are ideal for custom hydroponic irrigation systems, nutrient delivery lines, automated watering setups, and compact water distribution assemblies.

The ribbed hose barb grips compatible flexible tubing, while the hexagonal collar provides a convenient surface for tightening and removing the fitting.

Available Sizes

Features & Benefits

• Direct Tubing Conversion: Connect 3/16" micro-tubing to larger threaded plumbing ports without additional reducing fittings.
• Compact Design: Ideal for tight spaces, crowded manifolds, small reservoirs, and custom irrigation assemblies.
• Secure Barbed Connection: Ribbed outlet grips compatible flexible tubing.
• Hexagonal Collar: Provides a convenient gripping surface for installation and removal.
• Durable Black Plastic: Lightweight, corrosion-resistant construction for irrigation and water distribution applications.
• Multiple Sizes: Choose the male thread size that matches your plumbing connection.

Ideal Applications

• Connecting micro-irrigation lines to threaded manifolds
• Adapting compatible threaded pump outlets to smaller flexible tubing
• Building custom hydroponic drip irrigation systems
• Creating individual plant watering lines
• Connecting small tubing to reservoir plumbing
• Modifying automated irrigation and nutrient delivery systems
• Custom greenhouse watering and water distribution projects

Important Sizing Information

Please examine the photographs below before purchasing. Threaded pipe fittings use nominal sizing, which may differ from their actual outside diameter. Always verify compatibility with your existing fittings.

Click any thumbnail to view the full-sized photograph.

Size Comparison
Fittings next to a true 1/4" fitting

3/16" barb to 3/8" thread

3/16" Barb to 1/4" Thread

Both adapter variants feature a 3/16" (approximately 5 mm) hose barb for compatible flexible tubing.

Check your female thread size, thread standard, and tubing compatibility before installation. Use a suitable thread sealant where required and avoid overtightening plastic connections.

A convenient solution for those awkward irrigation connections where standard fittings just aren't quite right.