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Hebei Hankai hydraulic seal repair kit

2025-08-14 21:00
2025-08-14 20:36
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    The button element highlights the innovative design of these bitsthread rock button bit. Unlike traditional flat-bottom bits, button bits feature protruding, dome-shaped buttons that enhance their penetration capabilities. The buttons, often made of tungsten carbide, are known for their hardness and resistance to wear, ensuring a longer lifespan for the bit.