Our Ultrabake™ Silicone Hollow Washer Plugs are designed to plug plain and threaded holes; they will mask off the hole and leave a circular grounding or earthing area around threaded & thru holes. Recommended for Powder coating, e-coating, plating & anodizing.
Material: Ultrabake™ Silicone
Standard Color: Various (color-coded for sizing)
Optional Color: Clear; White