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________________ are Steel bits which are screwed to the ends of drill rods and they can be attached to or removed from the drill steel.

________________ are Steel bits which are screwed to the ends of drill rods and they can be attached to or removed from the drill steel. Correct Answer Detachable bits

The advantages of detachable beats as compared to Forge beats are- they are available in various sizes and shapes and hardness; they are factory made products and hence, they are of superior quality.

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