Plastic Thread Protector Caps | McMaster-Carr

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System of Measurement

OD

0.053" to 0.12"

0.079" to 0.15"

0.111" to 0.177"

Attachment Type

Color

Profile Shape

Shape

Material

Stainless Steel

ID

0.022" to 0.079"

0.025" to 0.08"

0.03" to 0.083"

3/64" to 13/64"

1/16" to 11/64"

1/16" to 13/64"

5/64" to 11/64"

Pipe Size

Inside Height

For Use With

Socket Head Screws

Hydraulic Fluid

Thread Size

Flexibility

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

High Visibility

Maximum Temperature

Less than 150° F

150° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Fitting Type

Thread Type

UN/UNF (SAE 45°)

Height

REACH

RoHS

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Number of Holes

Head Width

Inside Width

How can we improve?

1,459 Products

Protective Caps

Round Caps

Keep dust and coatings out of threads and prevent damage during shipping and storage

Tapered Caps

One cap fits a range of diameters

Tear-Tab Caps

Stay securely on fittings until you rip off the tab

Screw-On Caps

Thread onto male pipe and fittings for the most secure fit

Tapered Cap Assortments

Tapered Cap Assortments

A variety of sizes for whatever job comes up

Antistatic Caps

Antistatic Caps

Prevent static buildup to protect components such as semiconductors and resistors

Caps for Food and Beverage

Caps for Food and Beverage

Cover threads in food production and packaging areas

Caps for Hex Nuts

Caps for Hex Nuts

Seal out moisture and dirt to prevent corrosion and buildup on threads

Adhesive-Back Caps for Pipe Flanges

Adhesive-Back Caps for Pipe Flanges

Stick onto the raised face of flanges to prevent nicks and scratches

Hinged Caps for Screws

Hinged Caps for Screws

Flip open for frequent access to screws without misplacing the cap

Domed Caps

Oversized head protects people from the sharp ends of pipe, rods, and handles

Pull-Tab-Release Caps

Pull-Tab-Release Caps

Grab and tug with your fingertips for easier removal than other caps

Snap-On Caps for Screws

Snap-On Caps for Screws

Conceal screw heads for a finished look that protects people and parts from getting snagged

Snap-On Caps for Pipe Flanges

Snap-On Caps for Pipe Flanges

Align with the bolt holes and snap on to protect from damage and mask from coatings

Squeeze-Release Caps

Squeeze-Release Caps

The quickest to remove, caps release instantly with a pinch of your fingers

Conductive Caps

Conductive Caps

Shield components from interference and drain static quickly

No-Spill Caps

Even if beakers, bottles, and flasks are tipped upside down, liquids stay sealed inside

Hangable Caps

Slip over the end of handles to hang brooms, brushes, and other tools

Tethered Caps

Caps connect to parts so they don’t get lost when removed

Caps for Socket Head Screws

Caps for Socket Head Screws

Keep debris from clogging or damaging hex drives

Roll-Resistant Caps

Roll-Resistant Caps

Keep shipping tubes and other round objects from rolling and being damaged

Tear-Tab Caps for Propane Tanks

Tear-Tab Caps for Propane Tanks

Guard propane tank valves against dents and dirt

Other Products

Protective Plugs

Protective Plugs

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

Pipe Plugs

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

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Dust Covers

Stretch over drums, pails, and other objects to keep out dust and debris

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

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