The ST4 4-cutter drill bits use an automated copper soldering process to adhere the high quality tungsten carbide tips, giving them added strength. This allows them to perform on tough applications such as concrete, bricks, blocks and natural stone.
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The ST4 4-cutter drill bits use an automated copper soldering process to adhere the high quality tungsten carbide tips, giving them added strength. This allows them to perform on tough applications such as concrete, bricks, blocks and natural stone.
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