3/4"-16 Reducers | McMaster-Carr

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Fitting Type

Adapter

Reducer

Reducing Adapter

System of Measurement

Thread Type

UN/UNF (SAE Straight)

Dash Size

Material

Gender

Shape

Pipe Size

For Use With

Screw-Locking Helical Inserts

Fitting Connection

Specifications Met

Flare Style

Maximum Pressure @ Temperature

Connects To

Tube OD

For Tap Thread Size

Tube Material

Maximum Steam Pressure @ Temperature

Gasket Material

Finish

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

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

208 Products

Fluid Handling

Pipe Straights

Join lengths of pipe to send contents in one direction

12 products

Tube Straights

Join lengths of tube to send contents in one direction

31 products

Tube Tees

Split or merge liquid flow paths

1 product

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

15 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

3 products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

72 products

Thread Adapters

Join threads of a different type, size, and gender

3 products

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

1 product

Threaded Insert Installation Tools

Install helical, key-locking, slotted-drive, and other threaded inserts

22 products