Uncoated Steel Hex Nuts | McMaster-Carr

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640 Products

Hex Nuts

Standard Profile About Standard Profile

Hex Nuts

The most common hex nuts for fastening machinery and equipment

Mil. Spec. Hex Nuts

Mil. Spec. Hex Nuts

Meet strict U.S. military standards for material and construction

Left-Hand-Thread Hex Nuts

Left-Hand-Thread Hex Nuts

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

Thin Profile About Thin Profile

Thin-Profile Hex Nuts

About half the height of standard nuts to fit in spaces with low clearance

Left-Hand-Thread Thin-Profile Hex Nuts

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

Heavy Profile About Heavy Profile

Heavy-Profile Hex Nuts

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

Heavy-Profile Hex Nuts for High-Pressure Applications

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

Structural Heavy-Profile Hex Nuts

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

Left-Hand-Thread Heavy-Profile Hex Nuts

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

High Profile About High Profile

High-Profile Hex Nuts

Larger gripping area keeps wrenches from slipping off as you tighten

Thin-Heavy Profile About Thin-Heavy Profile

Thin-Heavy-Profile Hex Nuts

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

Narrow Profile About Narrow Profile

Narrow-Profile Hex Nuts

20% narrower than other nuts to fit in cramped spaces

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)