In response to input saying that regular silicone plugs do not seal out liquids well enough for plating, anodizing and e-coating, EPSI offers its Liqui-Tite plug with spiral threads to match holes that are being masked. The series includes a full range of common sizes with coarse and fine threads on each piece to maximize versatility. According to the company, pressing the plug straight into a threaded hole and then seating it with a half twist is enough to prepare it for painting, plating or powder coating.
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