Corrugated Fastener
Nails & Construction Fasteners · wiggle nail · corrugated nail · miter fastener · glazing point
Definition: A corrugated fastener is a corrugated metal strip driven across a miter or butt joint to hold it together while glue sets — the wiggle nail of woodworking.
Anatomy & Schematic
■ Corrugated strip■ Sharp edge
Governing standards: Manufacturer specified (no universal standard)
Common Sizes
| Inch | Metric | Head width | Head height |
|---|---|---|---|
| 3/8 in | — | — | — |
| 1/2 in | — | — | — |
| 1 in | — | — | — |
Representative sizes. Full dimensional data lives in the standards listed below.
Grades & Strength
| Grade | Material | Tensile (psi) | Marking |
|---|---|---|---|
| Steel | steel | — | Interior joints |
| Galvanized | zinc-coated steel | — | Damp locations |
Materials
- Steel
- Galvanized steel
Pros & Cons
Pros
- Holds a miter while glue sets
- Fast
- Low profile
Cons
- Weak on its own
- Splits hard or thin wood
- Hard to remove cleanly
Typical Uses
- Miter joints
- Picture frames
- Screen frames
- Light cabinet joints
Alternatives & Related
- Brad Nail — Nailer-driven joint support
- Pocket Hole Screw — Strong mechanical joint
- Wood Screw — Removable and load-bearing
Where to Buy
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FAQ
What is a corrugated fastener?
A ridged metal strip (a wiggle nail) driven across a miter or butt joint to hold it together while glue dries.
How do you install a wiggle nail?
Apply glue to the joint, then hammer the corrugated fastener across the seam so its ridges bridge both pieces.