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4.5 MM and 6 MM Tire Reamer Drill Bits, High Hardness Pair
The two-size pair: 4.5 mm for car plugs, 6 mm for truck plugs – one order covers both counters.
Design and Construction
A high-hardness pair: the 4.5 mm car-plug reamer and the 6 mm truck-plug reamer in one order. Carbide teeth on toughened cores handle both counters.
How It Works
Match the reamer to the plug: 4.5 mm for passenger-car repair kits, 6 mm for truck and bus plugs – the pair covers the counter without guesswork.
Applications
Mixed-service tyre shops, truck and car counters, parts counters.
Field Cases
- Mixed shop: one order armed both the car and truck counters.
- Parts counter: the pair became the standard stocking SKU.
- Fleet service: truck 6 mm reamers stocked beside car 4.5 mm.
Performance Data
| Metric | Value / Observation |
|---|---|
| Pair | 4.5 mm + 6 mm |
| Plug match | Car plugs / truck plugs |
| Grade | High-hardness carbide |
| Speed | 1,000-3,000 RPM |
Suitable Materials
Rubber, steel-belt layers.
Material Comparison: 4.5 mm vs 6 mm – Plug Diameter Matching
Why diameter matching is the whole job – typical industry data:
| Diameter | Plug Class | Counter |
|---|---|---|
| 4.5 mm | Passenger-car plugs | Car counters |
| 6 mm | Truck and bus plugs | Truck counters |
| Undersized reamer | Plug seats loose – leaks | Common error |
| Oversized reamer | Rubber over-removed | Common error |
| Match rule | Reamer = plug diameter | Always |
Delivery Scope
Pair in protective caps.
Why Choose VPOINT
Both counters in one order.
Precision & Quality Control
Both diameters verified per batch.
Specifications
Pair information:
| Item | Specification |
|---|---|
| Pair | 4.5 mm + 6 mm |
| Grade | High-hardness carbide |
| Shank | 6 mm (1/4″) |
| Rule | Match reamer to plug |
Frequently Asked Questions
Which for trucks?
6 mm – matches truck plug diameter.
Cars?
4.5 mm.
Why match exactly?
Undersized leaks, oversized over-cuts.
Sold as pair?
Yes.
Hardness?
High-hardness carbide class.
Related Search Terms
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