Set screws are threaded fasteners designed to secure rotating components like agitator paddles onto shafts without protruding heads.
Set screws are headless threaded fasteners that apply compressive force through their tip to secure components onto shafts or spindles. In agitator paddle assemblies, they prevent axial and rotational movement by creating friction between the screw tip and shaft surface, typically using a pointed, cupped, or flat tip design. They are installed in threaded holes perpendicular to the shaft axis and are commonly tightened with hex keys or Allen wrenches.
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Set screws are headless and designed to secure components onto shafts by applying pressure with their tip, while regular screws typically have heads and join components through threaded holes.
Use thread-locking compounds, double set screws in staggered positions, or spring washers. Ensure proper torque and consider knurled cup points for better grip.
Cup point set screws are most common as they create a circular indentation that provides excellent resistance to rotation, though flat points are used when shaft damage must be minimized.
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