Industrial Rubber Cable Grommet Overview A rubber grommet is a molded rubber component fitted into pre-drilled panel holes. It shields wires and cables from sharp metal edges to prevent cable tearing and abrasion, while also delivering electrical insulation, dustproof, waterproof, and vibration damping performance. We offer rubber grommets made of Silicone, EPDM, NBR, and FKM rubber to satisfy diverse working environments. Custom sizes and shapes are available to meet