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These are M12-1.75 nylon insert lock nuts with a built-in flange, so they're perfect for applications where you need a secure, vibration-resistant fastening.

They're Class 10 strength, made from steel with a zinc yellow finish, so they resist corrosion.

The flange acts like a built-in washer, spreading the load.
You pick the quantity you need—they're sold individually or in bulk.
Drive style is external hex, so a standard socket or wrench works.
Whether you're working on automotive, machinery, or fabrication, these nuts hold tight and won't back out easily.
Unbranded, but they meet metric specs.

4.5 out of 5