The MAS BT 40 Tool Holder 1/2" GAS is a precision-engineered tool designed for high reliability and durability when used on Thibaut, Helios, and Denver 2020+ CNC machines.
Manufactured from low-carbon stainless steel, it maintains tight tolerances and optimal hardness, making it ideal for demanding drilling applications on stone, engineered surfaces, and ceramics.
This version is specifically designed for use with 1/2" GAS threaded core bits, widely used in the stone industry.
Technical Specifications – Drill Bit Adapter:
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Taper type: MAS BT 40
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Bit connection: 1/2" GAS (threaded)
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Compatible machines: Thibaut, Helios, Denver (2020 and newer)
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Base diameter: Ø63 mm
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Drill bore diameter: Ø30 mm
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Usable length: 0 mm
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Material: low-carbon stainless steel
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Finish: precision ground
Key Features:
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Excellent concentricity for precise drilling
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1/2" GAS thread fits standard core bits
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High resistance to corrosion and wear
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Fully compatible with modern CNC machines
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Ideal for marble, granite, ceramics, and composite materials
