Laboratory Stoppers | McMaster-Carr

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ID

3/64" to 13/64"

1/16" to 11/64"

1/16" to 13/64"

5/64" to 11/64"

Profile Shape

Material

Color

Pipe Size

Number of Holes

Attachment Type

Tapered Plug Trade Size

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 399° F

400° F to 499° F

500° F or greater

Thread Size

Hardness

System of Measurement

For Use With

For Hole Type

Flange Diameter

OD

Thread Type

UN/UNF (SAE 45°)

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

High Visibility

Hole Diameter

RoHS

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Compatible Connection

37° Flared Tube

Straight-Thread Pipe Fittings

Tapered-Thread Pipe Fittings

Unthreaded Pipe Fittings

OD at Large End

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445 Products

Protective Plugs

Tapered Plugs

One plug fits a range of diameters

Hollow Tapered Plugs

Hollow Tapered Plugs

Shaped to fit a range of diameters and compress for a snug fit

Hollow Tapered Plug Assortments

Hollow Tapered Plug Assortments

A range of sizes for plugging holes big and small

Tight-Hold Tapered Plugs

Tight-Hold Tapered Plugs

Tighten the wing nut to expand and seal

Miniature Tapered Plugs

Miniature Tapered Plugs

Block very small holes while you paint, coat, or plate parts

Pull-Tab-Release Hollow Plugs

Pull-Tab-Release Hollow Plugs

Lift and pull the tabs for easier removal than other plugs

Tapered Plugs for Food and Beverage

Tapered Plugs for Food and Beverage

Nonporous and super smooth to prevent bacteria growth

Screw-In Plugs for Pipe and Tubing

Screw-In Plugs for Pipe and Tubing

Threaded for the most secure fit on female pipe and fittings

Vented Plugs for Pipe and Tubing

Vented Plugs for Pipe and Tubing

Tear away the tab to release pressure while coatings cure

Other Products

Protective Caps

Protective Caps

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

Data Port Plugs

Data Port Plugs

Keep dust, debris, and moisture out of unused computer ports

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