Internal Hex Nuts | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Nut Type

With Sight Hole

Hex Nut Profile

Height

Width

Finish

Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Phosphate Coated

Zinc Flake Coated

Fastener Strength Grade/Class

Thread Direction

Thread Pitch

Thread Type

Metric Trapezoidal

Locking Type

Distorted Thread

Two-Piece Clamp

Thread Spacing

Specifications Met

ANSI/MSS SP-114

Federal Specification

Performance

Chemical Resistant

Corrosion Resistant

Flame Retardant

High Temperature

Impact Resistant

Metal Detectable

Moisture Resistant

Noncontaminating

Seize Resistant

Length

Drive Style

Thread Fit

Metric Class 6g

Metric Class 6G

Metric Class 6H

Metric Trapezoidal Class 7H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3B

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Hex Length

Gender

Fastener Strength Rating

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9,943 Products

Fastening and Joining

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Hex Nuts

Handle most general fastening needs

Easy to tighten and loosen by hand for making frequent adjustments

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Locknuts

Hold fasteners in place to prevent loosening from vibration

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Coupling Nuts

Connect and extend threaded rods

Flange Nuts

The flange distributes pressure, so you don't need a washer

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Weld Nuts

Weld to metal surfaces to add permanent threads

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Power Transmission

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Material Handling

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

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