MIDWEST FASTENER CORP
MIDWEST FASTENER CORP 71922 3/32" Black Phosphate Steel Pushnut Washers 50PK
Black phosphate steel pushnut washers with inward-facing flanges for a secure, threadless hold on 3/32" shafts, supplied in a 50-piece pack
- TypeNuts
- Push-on installation without threads
- Inward-facing flanges grip the shaft securely
- Black phosphate coating resists corrosion
- 50 pieces per pack for volume jobs
- Steel construction withstands repeated assembly cycles
What this pack contains
The pack supplies fifty 3/32 inch black phosphate steel pushnut washers. Each washer uses inward-facing flanges that grip a stud or shaft without threads, so it can be pushed or lightly tapped into position. The phosphate coating adds a layer of corrosion resistance for general hardware use.
How it differs from threaded fasteners
A pushnut replaces a conventional nut in assemblies where speed matters more than adjustability. Installation is a simple press fit and removal requires cutting the fastener off, making the jump worthwhile for permanent or semi-permanent joints that see vibration. It is not suited for connections that must be taken apart repeatedly.
Behaviour under sustained load
The flanges maintain their grip under continuous vibration and axial force because the teeth bite into the mating surface rather than relying on thread friction. The black phosphate finish resists surface rust during extended exposure to moisture or road salt. The fastener is not designed for high-torque or structural-load applications.
Highlights
- Push-on installation without threads
- Inward-facing flanges grip the shaft securely
- Black phosphate coating resists corrosion
- 50 pieces per pack for volume jobs
- Steel construction withstands repeated assembly cycles
Specifications
| Brand | MIDWEST FASTENER |
|---|---|
| Type | Nuts |
Questions about this item
What shaft diameter do these 3/32" pushnut washers fit?
These pushnut washers are sized for a 3/32 inch shaft diameter. The inward-facing flanges grip the shaft when pushed or lightly tapped into place.
How are the pushnut washers installed and what common mistake should be avoided?
Push or lightly tap each washer onto the shaft until the flanges engage. Do not overtap; excessive force can deform the flanges and reduce holding strength.
How do I remove a pushnut washer if I need to service the assembly later?
Removal requires cutting the washer off the shaft because the inward-facing flanges prevent backward motion. A new washer from the 50-piece pack is needed for reassembly.
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