5/8"-18 Couplings | McMaster-Carr

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System of Measurement

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Material

Oil-Embedded Bronze

Stainless Steel

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Length

Thread Type

Metric Rounded Trapezoidal

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Shape

For Use With

Hydraulic Fluid

Nut Type

Externally Threaded

Threading

Partially Threaded

Threaded on Both Ends

Fitting Connection

Push to Connect

Tube OD

Pipe Size

Thread Direction

Right Hand and Left Hand

Connects To

ID

Shank Thread Size

Flare Style

Internal Flared

Export Control Classification Number (ECCN)

Tube Material

Polyurethane Rubber

OD

Shank Gender

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

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234 Products

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

On-Off Valves

Start and stop flow through a line

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Rod Collars

Threaded Rod Collars

Hold and position parts on a threaded rod

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Connecting Rods

Connecting Rods

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

Rod Alignment Couplers

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Building and Machinery Hardware

Mechanical Control Cables

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

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