Explore Cutting Tools
Discover Our Tiny Internal Turning Tools Today
At Tungstool, we specialize in tiny internal turning tools crafted for the precision engineering industry. Our expertly designed range ensures you achieve outstanding precision and accuracy. Whether tackling small diameter pieces or intricate profiles, our tools deliver remarkable results every time you work.
Why Choose Us?
Quality is paramount with our tools. Made from high-grade, fine-grained carbide, our tiny internal turning tools ensure consistent hardness and exceptional wear resistance.
Key Features
Our tools offer precision honed edges for flawless cuts, minimized deflection for smooth machining, and long-lasting life to enhance your productivity.
Solide carbide tiny boring bars from Tungstool

Straight boring MT series
1. Suitable for continuous or interrupted cutting, especiallyaxiial boring;
2. Minimum bore diameter: 0.9 mm

Straight Boring – MN series
1. Suitable for continuous or interrupted cutting, especially radial boring
2. Minimum bore diameter: 0.9 mm

Profile boring bar 22° – MP series
1. Suitable for continuous and interrupted cutting, Profiling 22°;
2. Minimum bore diameter: 0.9 mm

Profile boring bar 45° – MQ series
1. Suitable for continuous or interrupted cutting, Profiling 47°;
2. Minimum bore diameter 2.9 mm


Radial grooving – MG series
1. Suitable for continuous or interrupted cutting;
2. Flat grooving

Radial grooving with full radius – MK series
1. Suitable for continuous or interrupted cutting;
2. Full radius grooving

Axial flat grooving – MF series
1. Suitable for continuous or interrupted cutting;
2. Axial, flat grooving; Right and left hand available

Axial radius grooving – MZ series
1. Suitable for continuous or interrupted cutting;
2. Axial, radius grooving;
3. Right and left hand available

Axial deep flat grooving – MV series
1. Suitable for continuous or interrupted cutting;
2. Axial, flat grooving;
3. Right and left hand available

Reverse turning profiling – MX series
1. Suitable for continuous or interrupted cutting;
2. Reverse boring, profiling

Tool holder for solid carbide boring bars
Tool holder for mini internal turning bars with built-in coolant chanel