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About Hex Nuts
Choose a hex nut with the right profile, material, and strength for your application.
Thin-Profile Hex Nuts
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About half the height of standard-profile nuts, these fit in spaces with low clearance. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
Lightweight Aluminum
6061 Aluminum—One-third the weight of steel, these nuts are commonly used in robotics, automation, and other applications that have weight limitations. They're an alternative to stainless steel for rust resistance but are not as strong.