Pass-Throughs | McMaster-Carr

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17,988 Products

Electrical Power, Networking, and Controlling

Cable Entry Panels

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

127 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,169 products

Conduit Grommets

Guard wiring from sharp edges at the ends of conduit

24 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

2 products

EMI/RFI Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

64 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

6 products

Building and Machinery Hardware

Grommets

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

943 products

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

167 products

Pass-Through Cabinets

Minimize contact and maintain privacy when moving samples and supplies between rooms

2 products

Pass-Through Windows

Exchange documents, money, and small goods without entering rooms or buildings

3 products

Vibration-Damping Mounts

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

94 products

Drawer Slides

Smoothly guide drawers in and out of cabinets

10 products

Fluid Handling

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

301 products

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

159 products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

712 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

6,115 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

10 products

Power Transmission

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

2,012 products

Sleeve Bearings

With no moving parts, the plainest type of bearing

3,403 products

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

289 products

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

844 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

721 products

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

31 products

Facility and Grounds Maintenance

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products

Fabricating and Machining

Die Bushings

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

102 products

Material Handling

Scaffold Planks

Hook over scaffold frames to add a platform for workers to stand on

4 products