ASTM O-Rings | McMaster-Carr

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10,216 Products

Sealing

O-Rings

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

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

Raw Materials

Foam

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

Fabricating and Machining

Picks

Hold, separate, and position small parts such as wire and springs

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