A clean, correctly sized hole is what makes a dripper seal. Hole punches in 3mm, 8mm and 1/4 inch, pocket and mini punches, punch and cut combination tools, and the insertion tool for self piercing drippers.
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Choosing a punch
Match the punch to the barb of the dripper or fitting you are installing. 3mm punches suit barbed drippers and 5mm micro tubing connectors, and larger 8mm and 1/4 inch punches suit larger barbed take-offs. A sharp punch removes a clean plug of material instead of tearing the tubing, which prevents leaks around the barb.
Insertion tools
The Netafim self piercing emitter insertion tool holds a self piercing dripper and drives it through the tubing wall in one motion, which removes the separate punching step on large installs.
Drip Irrigation Punch Tools FAQ
What size hole punch do I need for drippers?
Use the punch size specified for your dripper. Most barbed drippers install in a 3mm hole.
What if I punch a hole in the wrong place?
Seal it with a goof plug, found in Fittings & Connectors.
Do self piercing drippers need a punch?
No. They install directly with the insertion tool.
