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Machine Design

Protective Plastic Caps And Plugs

A full line of plastic caps, plugs, flange covers, and masking products protect threads, ports, and bores from damage during plating, powder coating, shot blasting, shipping, and storage.

They are made from a range of materials including flexible vinyl, polyethylene, EPDM, and silicone rubber. Specially formulated high-temperature vinyl withstands 446°F while silicone caps endure 600°F temperatures without hardening.

123 Manufacturers Dr., Arnold, MO 63010,
(800) 797-7876,

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