3/8" Gaskets | McMaster-Carr

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Aramid/PTFE Fiber

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Less than 500° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F to 2,999° F

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5/32" to 13/64"

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248 Products

Sealing

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Gasket Tape

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

EMI/RFI Shielding Gaskets

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Packing Seal Lubricating Rings

Packing Seal Lubricating Rings

Install between layers of packing seals to distribute lubricants evenly; also known as lantern rings

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Building and Machinery Hardware

T-Slotted Framing Seals

T-Slotted Framing Seals

Fill gaps around doors and panels to keep air, dust, and liquid out of T-slotted framing structures

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

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