UNF Plugs | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Fitting Type

Attachment Type

Gender

Shape

For Use With

Threaded Insert Type

Drive Style

Tamper-Resistant Torx

Length

Fitting Connection

Pipe Size

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

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

Dash Size

Maximum Pressure @ Temperature

For Tap Thread Size

Color

Installed Length

Connects To

1,142 Products

Fluid Handling

Pipe Plugs

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

13 products

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

4 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

6 products

Building and Machinery Hardware

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

28 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

17 products

Fastening and Joining

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

63 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

47 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

4 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

18 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

4 products

Threaded Inserts

Create new threads or repair stripped threads

642 products

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

1 product

Lubricating

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

30 products

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

6 products

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

1 product

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

2 products

Measuring and Inspecting

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

20 products

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

136 products

Electrical Power, Networking, and Controlling

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

45 products

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

4 products

Metric Circular Cords

Send power and control signals to equipment with metric connections

63 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

6 products