Extra Wide Nuts | McMaster-Carr

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Hex Nut Profile

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Thin Heavy

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Corrosion-Resistant Coated

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Unified Standard Class 2B

Unified Standard Class 3B

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545 Products

Hex Nuts

Heavy Profile About Heavy Profile

Heavy-Profile Hex Nuts

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

261 products

Heavy-Profile Hex Nuts for High-Pressure Applications

Secure ASTM A193 screws and are wider and taller than standard nuts to handle heavier loads

61 products

Structural Heavy-Profile Hex Nuts

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

44 products

Left-Hand-Thread Heavy-Profile Hex Nuts

Tighten when turned to the left to prevent counterclockwise-moving parts from loosening

6 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

68 products

Other Products

Locknuts

Hold fasteners in place to prevent loosening from vibration

105 products