3/4"-10 Couplings | McMaster-Carr

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System of Measurement

Thread Size

Material

Length

Nut Type

Threading

Threaded on Both Ends

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Finish

Hot-Dipped Galvanized

Ultra-Corrosion-Resistant Coated

Zinc Plated

Thread Direction

Left Hand

Right Hand

Fastener Strength Grade/Class

Gender

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Performance

Coupling Nut Profile

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Unified Standard Class 2A

Unified Standard Class 2B

RoHS

Compliant

Compliant with Exemptions

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DFARS Specialty Metals

Compliant

Exempt

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

REACH

176 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

28 products

Thread Adapters

Join threads of a different type, size, and gender

59 products

Threaded Rod Collars

Hold and position parts on a threaded rod

4 products

Power Transmission

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

2 products

Rod Alignment Couplers

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

3 products

Precision Lead Screw Nuts

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

18 products

Connecting Rods

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

6 products

Rod Ends

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

40 products

Fluid Handling

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

8 products

On-Off Valves

Start and stop flow through a line

2 products