Rubber Hole Plugs | McMaster-Carr

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1,457 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

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Electrical

Cable Entry Panels

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Capacitor Boots

Capacitor Boots

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

Lubricating

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Safety Equipment

Floor Drain Plugs

Floor Drain Plugs

Prevent oil and other spills from going down your floor drain

Spill-Control Drain Covers

Spill-Control Drain Covers

Block grates and manholes so liquid can't get in and odors can't get out

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

Facility and Grounds Maintenance

Drain Check Valves

Drain Check Valves

Prevent water damage by placing into floor drains to stop sewer back-ups

Floor Drain Trap Seals

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

Sink Drain Stoppers

Sink Drain Stoppers

Plug drains to fill up sinks and tubs

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