Drill rods. Dimensions of fitting cone for drilling bits
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Portable rock drills. Drill rod shanks and chucks. Types and dimensions
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Bits for air drills and rotary percussive rigs. Types and basic dimensions
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Screw drills and vane bits for them. Types and main dimensions
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Bits for drills. Technical requirements
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Cutters for shearers and entry-driving machines. General specifications
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Pneumatic hammer drills. Drill steels. General technical requirements
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Quality indicator system. Cutters for shearers. Product indicators.
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Narrow-range cutter-loaders. Cutting teeth and sockets for them. Types and basic dimensions.
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Quality indicator system. Chisels to shock and rope drilling machines and crowns to rotary drilling machines. Product indicators.
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Drill rod for underground boring machines and drilling rigs and its couplings. Types and main dimensions.
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