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Dth bits are available in sizes from 3" to 18", with all type of shanks (including atlas copco, sandvik, ingersoll rand shanks etc.). dth bits come in three different standard bit head/face designs (convex, flat, and concave), and with a variety of tungsten carbide button shapes to suit a wide variety of drilling conditions.

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Drill steel & rock bits drill steel, paired with a rock bit, is often used to drill holes larger than 1-1/2" and is available in lengths up to 120". champion chisel offers h-thread, 11 degree taper, rope & d-thread steel & bits. drill steel is produced using a hollow steel to allow either water or air to be pumped through to keep the drill hole ...

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