McMaster-Carr

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	Thread Size Thread Size

	Thread Type Thread Type

UNC

	Nut Type Nut Type


Hex	Square

Round

	Material Material

	Finish Finish

Black Oxide

Hot-Dipped Galvanized

Zinc Plated

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Specifications Met Specifications Met

	Thread Direction Thread Direction


Right Hand	Left Hand

	Hex Nut Profile Hex Nut Profile


Extra Wide	Standard

	Height Height

	Width Width

	Thread Spacing Thread Spacing

Coarse

Fine

Extra Fine

	Thread Fit Thread Fit

Class 2B

Class 2G

	Travel Distance per Turn Travel Distance per Turn

	Hardness Hardness

	Diameter Diameter

354 Products

Hex Nuts

Extra-Wide Hex Nuts for
Structural Applications

These high-strength nuts are designed to secure ASTM A325 bolts in structural joints.

Extra-Wide Hex Nuts for
High-Pressure Applications

Able to maintain their strength in high-pressure and high-temperature environments, these nuts are for use with ASTM A193 bolts to fasten pressure tanks, valves, and flanges.

Hex Nuts

Use these standard hex nuts for general purpose fastening.

Lead Screws and Screw Jacks

Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects.

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Hex Nuts

Extra-Wide Hex Nuts forStructural Applications

Extra-Wide Hex Nuts forHigh-Pressure Applications

Hex Nuts

Lead Screws and Screw Jacks

Lead Screws and Nuts

Extra-Wide Hex Nuts for
Structural Applications

Extra-Wide Hex Nuts for
High-Pressure Applications