NPT Inserts | McMaster-Carr

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System of Measurement

Pipe Size

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Cut Type

External Threading

Internal Threading

Profile Shape

Material

Stainless Steel

For Insert Thread Type

Threaded Insert Type

For Tap Type

For Insert Pipe Size

ID

0.116" to 0.182"

0.24" to 0.295"

0.325" to 0.367"

0.361" to 0.418"

0.419" to 0.485"

29/64" to 31/64"

0.471" to 0.536"

0.55" to 0.631"

0.58" to 0.667"

0.64" to 0.727"

43/64" to 49/64"

0.69" to 0.788"

0.802" to 0.911"

For Use On

Stainless Steel

Thread Size

Drill Bit Size

Shape

Attachment Type

End Type

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Finish

Titanium Aluminum Nitride (TiAlN) Coated

OD

0.111" to 0.177"

0.235" to 0.302"

0.298" to 0.365"

0.356" to 0.422"

0.468" to 0.545"

0.613" to 0.693"

0.687" to 0.785"

0.74" to 0.849"

0.901" to 1.027"

0.933" to 1.083"

Color

Helical Insert Type

Sold As

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254 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Threaded Insert Installation Tools

Threaded Insert Installation Tools

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

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Fabricating and Machining

Lathe Tool Inserts

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

Taps

Cut internal threads for fasteners, pipe, conduit, and more

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

Protective Caps

Protective Caps

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

Strut Channel Nuts

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)