3/4"-16 Couplings | McMaster-Carr

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UN/UNF (SAE Straight)

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Hydraulic Fluid (Petroleum Based)

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Specifications Met

Fed. Spec. QQ-A-200/8

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DFARS Specialty Metals

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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Threading

Threaded on Both Ends

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654 Products

Fluid Handling

Tube Fittings

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

265 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

10 products

Tube End Plugs

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

1 product

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

52 products

Rotary Joints

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

1 product

Hose Fittings

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

58 products

On-Off Valves

Start and stop flow through a line

3 products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

14 products

Thread Adapters

Join threads of a different type, size, and gender

3 products

Threaded Rod Collars

Hold and position parts on a threaded rod

4 products

Power Transmission

Rod Alignment Couplers

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

4 products

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

1 product

Rod Ends

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

62 products

Connecting Rods

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

41 products

Precision Lead Screws and Nuts

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

5 products

Material Handling

Hitch Balls

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

4 products

Building and Machinery Hardware

Mechanical Control Cables

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

4 products