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Wing nuts are most useful where a connection is opened or adjusted regularly. Examples include access covers, setup fixtures, portable frames and removable guards.
The available tightening force is limited by hand operation. If a joint requires high or accurately controlled preload, specify a torque-controlled fastener instead of relying on a wing nut.
The operator needs sufficient clearance to grip and rotate both wings. Check nearby walls, brackets, cables and moving components before specifying the part.
A standard wing nut should not be assumed to be vibration resistant. If loosening is a risk, the engineer must specify an appropriate locking feature, retention method or alternative nut design.
The verified material is stainless steel 304. Suitability still depends on humidity, chemicals, chloride exposure, cleaning procedures and contact with other metals. More severe environments require project-specific material review.
Application type | Why a wing nut may be suitable | Point to verify |
|---|---|---|
Removable covers | Fast manual access | Required retention and vibration level |
Adjustable guides | Quick repositioning | Clamp load and wear frequency |
Display frames | Tool-free assembly | Thread size and visual finish |
Furniture assemblies | Easy setup and dismantling | User safety and hand clearance |
Jigs and fixtures | Fast workpiece changes | Cycle frequency and thread durability |
Lighting brackets | Convenient angle adjustment | Load, movement and secondary retention |
Maintenance panels | Reduced service time | Exposure and loss prevention |
Item | Description |
|---|---|
Standard designation | DIN 315 |
Product names | Wing Nut / Butterfly Nut |
Material listed | Stainless Steel 304 |
Structure | Central internally threaded body with two wings |
Installation | Manual rotation on a matching bolt or stud |
Size range | Confirm before order |
Thread system | Confirm before order |
Surface condition | Confirm before order |
supports tool-free adjustment;
facilitates routine inspection and cleaning;
reduces time spent retrieving hand tools;
makes fastening points easy to identify and operate;
works well in modular products designed for disassembly;
offers a simple one-piece operating interface.
Wing nuts should not be selected solely for convenience. They may be unsuitable where:
high preload is required;
tightening torque must be documented;
the joint is exposed to severe vibration;
accidental manual release creates a safety risk;
space does not allow the wings to rotate;
the wings could catch clothing, cables or moving parts.
Please include:
thread diameter and pitch;
mating bolt or stud specification;
target quantity;
required standard;
material and surface condition;
operating environment;
application and load description;
packaging and label requirements.
They provide gripping surfaces so the nut can be turned by hand.
No. The joint load, vibration, clearance and safety requirements must be evaluated first.
It is often used where general corrosion resistance is required, but suitability depends on the actual atmosphere and chemical exposure.
The exact thread system available for this product must be confirmed with the inquiry and purchase specification.
Send your application, thread specification and quantity through the WF Fastener inquiry page. Browse the Wing Nut product category for the current listing.
