Plastic End Caps | McMaster-Carr

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2,396 Products

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

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Press-Fit Framing Caps

Press-Fit Framing Caps

Push into press-fit rails for a finished look that keeps out debris

Slip-On Framing Caps

Slip-On Framing Caps

Cover the rough ends of slip-on framing rails for a finished look

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Electrical

Heat-Shrink Tubing End Caps

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

Electrical-Insulating Wire Caps

Electrical-Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

Battery Vent Caps

Battery Vent Caps

Flip open to check water levels and fill wet-cell batteries

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Material Handling

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Valve Stem Caps

Valve Stem Caps

Keep dust and debris out of tire valves

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

Fabricating and Machining

Clamp Holding Screw Tips

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

Containers, Storage, and Furniture

Dust Covers

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

Knife Sheaths

Safely store knives while protecting them from damage

Lubricating

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Communication

Tamper-Evident Seals

Tamper-Evident Seals

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

Fastening and Joining

Retaining Rings

Retaining Rings

Hold components on a shaft

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