Steel Coupling Nuts | McMaster-Carr

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Material

Stainless Steel

Tube Material

Polyurethane Rubber

Stainless Steel

System of Measurement

Thread Size

Length

Nut Type

With Sight Hole

Threading

Partially Threaded

Threaded on Both Ends

Width

Finish

Hot-Dipped Galvanized

Molybdenum Disulfide Coated

Nickel Chrome Plated

Zinc Flake Coated

Gender

Thread Direction

Right Hand and Left Hand

Fastener Strength Grade/Class

Thread Type

Fastener Strength Rating

Thread Length

Thread Spacing

Hex Length

OD

Height

Performance

Corrosion Resistant

Coupling Nut Profile

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

Nut Material

Stainless Steel

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6,974 Products

Coupling Nuts

Coupling Nuts

The most commonly used coupling nuts

Round Coupling Nuts

Round Coupling Nuts

Fit in tight spots and create a finished appearance

Coupling Nuts with Sight Hole

Coupling Nuts with Sight Hole

Confirm that threads are fastened to the right depth

Left-Hand-Thread Coupling Nuts

Left-Hand-Thread Coupling Nuts

Tighten when turned to the left

Other Products

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

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