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Micro boring bars for precision machining of small diameter bores. Solid carbide construction with brazed tips enables vibration-free cutting in bores as small as 3mm with tolerances within ±0.005mm.
Machine bores as small as 3mm with ±0.005mm accuracy.
Micro-grain carbide tips brazed for ultimate precision.
Achieve surface finishes below Ra 0.2μm in small bores.
Trusted by medical, aerospace, and precision component manufacturers.
| Model | Min Bore (mm) | Shank (mm) | Length (mm) | Tip Type | Tolerance |
|---|---|---|---|---|---|
| MCF-3R | 3.0 | 3 | 40 | Brazed Carbide | ±0.005mm |
| MCF-4R | 4.0 | 4 | 50 | Brazed Carbide | ±0.005mm |
| MCF-5R | 5.0 | 5 | 60 | Brazed Carbide | ±0.005mm |
| MCF-6R | 6.0 | 6 | 80 | Brazed Carbide | ±0.005mm |
| MCF-8R | 8.0 | 8 | 100 | Brazed Carbide | ±0.005mm |
Download our complete Micro Boring Bars catalog including detailed chip-breaker diagrams, cutting speed charts, and grade recommendations.