Round Protective 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"

Color

Attachment Type

Inside Height

Shape

Material

Stainless Steel

Profile Shape

For Use With

Push-Button Holes

Socket Head Screws

Hydraulic Fluid

Pipe Size

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"

Flexibility

Thread Size

Performance

Chemical Resistant

Corrosion Resistant

Flame Retardant

High Temperature

High Visibility

Impact Resistant

Tamper Resistant

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

REACH

RoHS

Compliant with Exemptions

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

Screw Size

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Thread Type

UN/UNF (SAE 45°)

Head Diameter

Height

Cap Type

Plug Connection Method

How can we improve?

2,092 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

Pull-Tab-Release Caps

Pull-Tab-Release Caps

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

Caps for Food and Beverage

Caps for Food and Beverage

Cover threads in food production and packaging areas

Screw-On Caps

Thread onto male pipe and fittings for the most secure fit

Squeeze-Release Caps

Squeeze-Release Caps

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

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

Adhesive-Back Caps for Pipe Flanges

Adhesive-Back Caps for Pipe Flanges

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

Metal Round Caps

Metal Round Caps

Tougher than plastic and rubber caps for the best protection from impact and wear

Tear-Tab Caps

Stay securely on fittings until you rip off the tab

Tethered Caps

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

Caps for Pipe Flanges

Caps for Pipe Flanges

Push on to avoid surface scratches and hole damage or mask while painting and coating

Conductive Caps

Conductive Caps

Shield components from interference and drain static quickly

Roll-Resistant Caps

Roll-Resistant Caps

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

Domed Caps

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

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

Hinged Caps for Screws

Hinged Caps for Screws

Flip open for frequent access to screws without misplacing the cap

Caps for Socket Head Screws

Caps for Socket Head Screws

Keep debris from clogging or damaging hex drives

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

Tear-Tab Caps for Propane Tanks

Tear-Tab Caps for Propane Tanks

Guard propane tank valves against dents and dirt

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

Other Products

Protective Plugs

Protective Plugs

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

Electrical Enclosure Plugs

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

Standoff Caps

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

Dust Covers

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

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

Manhole Riser Rings

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

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.)