Micro Boring Bar 5mm Straight Shank Deep Groove Finish

Micro Boring Bar 4mm TiAlN Coated for Small Hole CNC Lathe - Tiny Boring Cutter
Cutoutil Tool

 

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Product Overview

Cutoutil Tool's Micro Boring Bar 5mm with straight shank design represents the pinnacle of precision engineering for micro-machining applications. This professional-grade tiny boring cutter is specifically engineered for deep groove finishing operations, delivering exceptional performance in the most demanding manufacturing environments.

Technical Specifications

Shank Diameter: 5mm (h6 tolerance)

Tool Material: Ultra-fine grain tungsten carbide

Coating: Advanced TiAlN coating for extended tool life

Minimum Bore Diameter: 0.2mm

Maximum Groove Depth: Up to 5x diameter

Surface Finish: Sub-micron Ra 0.2μm capability

Runout Accuracy: ≤ 0.003mm

Key Features

Precision Engineering: Our micro boring bar utilizes premium carbide substrate with 0.5μm grain size, ensuring superior wear resistance and edge strength for your most critical applications.

Advanced Geometry: The optimized cutting geometry features a 15° relief angle and precision-ground chip breaker, enabling efficient chip evacuation even in deep groove operations.

Superior Surface Finish: Engineered for mirror-like surface finishes, this tiny boring cutter achieves Ra 0.2-0.4μm without additional polishing operations.

Vibration Damping: The straight shank design incorporates anti-vibration characteristics, allowing for stable machining at L/D ratios up to 7:1.

Applications

Medical device components (surgical instruments, implants)

Aerospace precision parts

Micro-electronics and connectors

Hydraulic valve components

Watch and clock mechanisms

Automotive fuel injection systems

Why Choose Cutoutil's Tiny Boring Cutter?

✓ Extended Tool Life: Advanced coating technology increases tool life by 300% compared to uncoated tools

✓ Exceptional Accuracy: Maintain ±0.005mm tolerance on bore diameter

✓ Versatile Performance: Suitable for steel, stainless steel, titanium, and exotic alloys

✓ Cost-Effective: Reduce machining time and eliminate secondary operations

✓ Quality Assurance: 100% inspection with batch traceability

 

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