Electrically activated hand-held drills; power-operated drilling, reaming and boring tools, namely step drills; deburring tools, namely countersinking deburrers, and pipe deburrers; cone-shaped reamers; hand tools, namely hand-held countersinks and hand-held universal auto-lock chucks; and power-operated machine tools, namely, center drills, spotting drills, chamfering cutters and drills, countersinks, miniature end-mills and reamers