Masking Covers | McMaster-Carr

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2,310 Products

Building and Machinery Hardware

Protective Caps

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

1,045 products

Protective Plugs

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

1,006 products

Fabricating and Machining

Fixture Plate Plugs

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

1 product

Fastening and Joining

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

35 products

Standoff Caps

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

66 products

Fluid Handling

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

73 products

Electrical

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

4 products

Electrical Connector Caps

Protect data connectors when not in use

1 product

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

2 products

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

3 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Data Port Plugs

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

3 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Dust Covers

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

6 products

Knife Sheaths

Safely store knives while protecting them from damage

3 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Safety Equipment

Bearing Guards

Shield bearings from dirt, and protect fingers and tools from moving parts

14 products

Communication

Tamper-Evident Seals

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

2 products