Steel plain machine screw hex nuts are small-diameter fasteners designed for use with machine screws, typically in sizes ranging from #0 to #12. These nuts provide a reliable internal thread for precision assemblies and general-purpose fastening in a wide variety of industrial and mechanical applications. The "plain" designation indicates a raw, uncoated carbon steel finish. This makes these nuts ideal for applications requiring welding or where a custom coating will be applied after assembly. While they offer high structural strength and durability, their lack of a protective layer means they are best suited for dry, indoor environments or assemblies where they will be painted or lubricated to prevent oxidation. They are a cost-effective, high-performance solution for internal components and heavy-duty machinery.
Return Non-returnable
Thread
1/2"-20
Width
3/4
Metal Type
Steel
Shape
Fastener
Grade
Grade 2
Brand
K-Mac Distribution
Fastener Type
Hex Nut
Type
Machine Screw
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