Kwik Stepper (TM) Step Drill Set with spiral (patented) and deburring edges'' Breaker'' (patented) for drilling and reaming of sheet metal, pipes, nonferrous metals, plastics and V2A. Sided deburring in one operation. Through the spiral groove is formed an elongated cutting edge. The average power is distributed among these cutting edge to a longer length, a longer cutting edge. The result is a peel-forming, flowing cut. The spiral groove causes improved following results: - less effort - better cutting performance - longer life - smooth cutting - Less burring step drills Drilling range Dimensions Overall Length Steps Shank No. mm Ø mm Ø mm number 6984 4 -
2 4, / 5, / 6, / 7, / 8, / 9, /
, / , / 2, 8, 9 6, 6985 4-2 4/6/8, / , / 2, / 4, / 6, / 8/2, 9 67 8 6 6986 6-3, / 6, / , / 2, / 4, / 6, / 8/2/22, / 24, / 26, / 28, / 3, 98













3
, 6987 6-36 6/9, /
2, /
5, /
8, / 2
, / 24, / 27, / 3, / 33, / 36, 82 2, ISO 6988 for ISO sizes 2-4




2 /
6/2 / 25/32/4

6
2, type: 5699 Quantity:
ST.