The MCLNR2020K12 is a robust external turning tool holder engineered for precision and durability in CNC and conventional lathe operations. With a square shank size of 20×20 mm and a length of about 125 mm, this holder delivers excellent rigidity and stability during cutting. It is specifically designed for CNMG 1204 carbide inserts, which are widely used in roughing and finishing tasks thanks to their strong edges and reliable chip control.
The tool features a multi-lock clamping system that combines top clamp, pin, and shim, ensuring secure insert retention even under heavy cutting loads. This provides consistent performance, reduced vibration, and extended tool life. With its 95° approach angle and right-hand orientation, the MCLNR2020K12 is highly effective for external turning, facing, and profiling applications.
Manufactured from hardened alloy steel, this holder guarantees durability and resistance to wear. Its design ensures precise insert positioning, enabling accurate, repeatable results. The MCLNR2020K12 is a versatile solution for machining steels, stainless steels, and cast iron.
Code Breakdown:
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M – Multi-lock clamping system (top clamp, pin, shim)
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C – Insert shape: 80° rhombic (CNMG type)
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L – Approach angle: 95°
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N – Insert clearance: 0° (negative rake)
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R – Right-hand cutting
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2020 – Shank size: 20×20 mm
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K – Length code (~125 mm)
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12 – Insert size: CNMG1204
Key Features:
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External turning holder for CNMG12 inserts
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20×20 mm shank, ~125 mm length
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Multi-lock clamping system for secure seating
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Right-hand cutting, 95° approach angle
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Made from hardened alloy steel for strength and rigidity
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Suitable for steels, stainless steels, and cast iron
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Reliable for both roughing and finishing
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