The KUPO KS-290 is a set of five stainless steel 1/4"-20 wing nuts. The two side wings allow hand tightening and loosening without additional tools, making them useful for hardware that is adjusted or removed often.
Why It Matters
Tool-free hardware saves time when accessories come on and off repeatedly. KS-290 gives crews the smaller 1/4"-20 wing-nut size in stainless steel, clearly separated from the larger KS-291 3/8"-16 version.
Key Features
Set of 5 keeps matching 1/4"-20 wing nuts ready for replacement work
Stainless steel construction provides a durable hardware finish
Side wings allow hand tightening without a wrench
Useful on hardware that needs frequent adjustment, removal, or service
Also represented within the KS-284K screw and nut assortment family
Applications
Use it for small camera, grip, plate, and accessory hardware where a 1/4"-20 female wing nut is preferred for tool-free adjustment.
Compatibility
KS-290 is the 1/4"-20 version. KS-291 is the matching 3/8"-16 wing nut set.
Frequently Asked Questions
Is this the smaller or larger wing nut size?
KS-290 is the smaller 1/4"-20 version.
How many wing nuts are included?
It is supplied as a set of 5.
When is a wing nut useful?
It is useful when the hardware needs to be tightened, loosened, or serviced by hand without a separate tool.
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