80 Pcs Silicone Rubber Hole Plug Assortment Kit, 8 Sizes Heat Resistant Black T-Type Caps for Powder Coating, Pipe Sealing, Test Tube Protection and Waterproofing Applications (Black)

Silicone Rubber T-Type Hole Plug Assortment KitOur 80-piece silicone rubber hole plug kit delivers unmatched versatility for sealing, protecting, and finishing round openings across diverse applications. Each plug undergoes rigorous quality control to ensure consistent dimensions and reliable performance in extreme environments.SPECIFICATIONSTotal Quantity: 80 plugsSize Range: 4mm, 5.5mm, 6mm, 6.5mm, 7.5mm, 8mm, 8.5mm, 9.5mmPlug Type: T-shaped with reinforced baseColor: Jet black for universal compatibilityMATERIAL SCIENCEManufactured from silicone rubber, exhibiting:Thermal stability: -40°F to 500°F (-40°C to 260°C)Resistance: Withstands oils, weak acids, and alkalisAPPLICATION SCENARIOSAutomotive: Engine bay wiring harness grommets, fluid line portsConstruction: Concealing fastener holes in metal framing and drywallElectronics: Sealing unused panel cutouts in server racks and control boxesLaboratories: Protecting test tubes and glassware from contaminationPowder Coating: Masking threaded holes during finishing processesOPERATIONAL GUIDELINESClean hole edges from burrs and debris before installationSelect plug size matching 100-102% of the hole diameter for a tight sealFor high-vibration environments, apply a thin layer of silicone adhesiveNot recommended for permanent immersion in petroleum-based fluids

• Complete Set of Sizes – This set includes 80 pieces in 8 different diameters: 4mm, 5.5mm, 6mm, 6.5mm, 7.5mm, 8mm, 8.5mm, and 9.5mm. With 10 pieces of each size, you will always have the right rubber plugs for round holes to fit your projects, whether sealing pipes, protecting openings, or finishing surfaces
• Premium Silicone Rubber – Made from high-quality silicone rubber, these silicone plugs provide excellent flexibility, insulation, and sealing. They are resistant to acids, alkalis, and high temperatures, making them durable hole plug solutions for demanding applications
• Easy Installation and Removal – The soft yet resilient material allows quick placement and removal. Simply press the rubber plug into the hole, and it stays securely without adhesives. Designed for convenience, they can be reused multiple times without losing effectiveness
• Convenient Storage Bag – Each set of plastic hole plugs comes packed in a resealable storage bag. This keeps the different sizes well-organized, prevents loss, and makes it easy to carry and use on job sites, workshops, or home projects
• Versatile Applications – Ideal for automotive, electrical, construction, and laboratory use, these round hole plugs are perfect for powder coating, test tubes, pipe fittings, and sealing exposed openings. They provide a professional finish by covering and protecting holes