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Drilling-open tool with a drilling-open head for drilling open a bore
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TOOL HOLDER FOR DRILLING MACHINES, DRILLING DEVICE AND DRILL AND DRILL REPLACEMENT
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Drilling tool for drilling deep bores into rock
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DRILLS FOR HAND DRILLING MACHINES
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DRILLING TOOL FOR MAKING AN EXTENSION INSIDE A HOLE AND SWIVELING TOOL FOR INSERTING INTO THE DRILLING TOOL
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MULTI-JAW CHUCK AND TOOL AND DRILL REPLACEMENT FOR THE MULTI-JAW CHUCK AND METHOD FOR CHIP-FREE SHAPING AT LEAST ONE PART OF THE TOOL
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Drilling chuck with jaw for hand drill
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Portable electric drill with associated suction device - removes dust particles to dust bag resting on floor
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Drill dust exhaustion attachment - has rotary head with single annular chamber and union to suction hose
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Cutting tool assembly for rock drill - has spade tip fitting into slot in hollow stem between double suction opening
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Rock drill cutting tool - has hollow stem for dust extraction, with leading edges sloping backwards each side of spade tip
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Cutting tool for rock drill - has hollow shaft for extraction of cut material during drilling, and rear gripped by jaws
