Structural Hex Nuts | McMaster-Carr

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Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

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17-4 PH Stainless Steel

Hex Nut Profile

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Unified Standard Class 2B

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325 Products

Hex Nuts

Standard Profile About Standard Profile

Hex Nuts

The most common hex nuts for fastening machinery and equipment

5 products

Heavy Profile About Heavy Profile

Heavy-Profile Hex Nuts

About 10% wider and taller than standard nuts to handle heavier loads

130 products

Structural Heavy-Profile Hex Nuts

Secure ASTM A325 screws in structural joints, such as I-beams, columns, and joists

44 products

Thin-Heavy Profile About Thin-Heavy Profile

Thin-Heavy-Profile Hex Nuts

Fit in low-clearance spaces and handle heavier loads than standard nuts

20 products

Other Products

Locknuts

Hold fasteners in place to prevent loosening from vibration

126 products