7" Black Self-Vulcanizing Tire Plug Strings for Tubeless Truck & Industrial Tires - 50 to 4500 Pack - Made in USA

Quickweld 7" black tire repair plug strings are engineered for commercial-grade puncture repair in tubeless tires. Designed for heavy-duty use in truck, trailer, and industrial equipment, these self-vulcanizing inserts create a strong, airtight seal without adhesives or cement.

Key Features

• 7" thick black tire plug strings designed for tubeless tire systems
• Ideal for truck, trailer, industrial, and off-road tires
• Made from self-vulcanizing butyl rubber for high-strength sealing
• Easy to insert through steel-belted radial casings
• Use for temporary repairs or pair with a patch for permanent repair
• Universal fit for fleet maintenance, tire shops, and mobile service units
• Made in the USA from 100% domestic materials

Technical Specifications

• Length: 7 inches (177.8 mm)
• Material: Self-vulcanizing butyl rubber
• Application: Compression insert for tubeless tires
• Repair Type: Temporary stand-alone or permanent with inside patch
• Fits: Steel-belted radials and standard tubeless commercial tires
• Pack Sizes: 50, 100, 500, 3600, 4500 strings

Application Notes

These long-format string-type inserts are preferred for deeper tread channels and heavy-duty tires commonly found on highway trucks, trailers, and construction vehicles. Their extended length increases retention in wider punctures, reducing the risk of failure under load.

Quickweld tire plugs are a trusted solution for professional tire technicians seeking fast, durable tubeless repair in the field or shop.