3/4"-16 Couplings | McMaster-Carr

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System of Measurement

Thread Size

Material

Oil-Embedded Bronze

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Length

Fitting Type

Reducing Adapter

Nut Type

Externally Threaded

Shape

Gender

Dash Size

Threading

Partially Threaded

Threaded on Both Ends

Pipe Size

Width

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

Tube OD

Fastener Strength Rating

Thread Direction

Right Hand and Left Hand

For Use With

Hydraulic Fluid

Hydraulic Fluid (Petroleum Based)

Isopropyl Alcohol

Fastener Strength Grade/Class

Flare Style

Internal Flared

Finish

Black Zinc Plated

Thread Spacing

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

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651 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Fluid Handling

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

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

Pipe Straights

Join lengths of pipe to send contents in one direction

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Pipe Elbows

Change the direction of flow when joining lengths of pipe

Rotary Joints

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

Hose Fittings

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

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

Hydraulic Cylinder Mounts

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

Precision Lead Screws and Nuts

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Material Handling

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

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.)