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Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole

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Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole

Country/Region china
Categories Air Drills
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Product Details

Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole

 Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.

  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
  • Single-flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking

 

Procuct Name

3Pcs 3 Flats Shank Straight Flute Golden & Black Color HSS Step Drill Bit Set

for Metal Sheet Multiple Hole Drilling

Sizes3/16-1/2", 3/16-7/8", 1/4-3/4" (Metric Size is Available)
MaterialHSS (Cobalt M35 is Available)
Flute TypeStraight Flute (Spiral Flute is Available)
Flute NumberTwo Flutes (Single Flute, Three Flutes are Available)
ShankThree Flats Shank (Quick Change Hex Shank, Round Shank, Double R Shank are Available)
Surface FinishBlack & Amber (TiN, Bright, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package3Pcs in Aluminum Case (Nylon Bag is Available)
Features

1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.

2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center.

3. A variety of hole diameters can be drilled using only one tool.

4. The dimension of drilled hole is exact.

5. Two Flute Design: provides longer life and better chip removal.

6. Only for rotary use.  

 

 

Size:

SIZE

L

Steps

D3

D1-D2

MM

 

MM

4.0-12.00

65,0

5

6,0

4.0-12.00

65,0

9

6,0

4.0-20.00

75,0

9

8,0

4.0-30.00

100,0

14

10,0

6.0-38.00

100,0

12

10,0

6.0-26.75

75,0

8

10,0

4.0-39.00

107,0

13

10,0

6.0-32.00

75,0

8

10,0

5.0-28.00

69,0

7

10,0

6.0-30.50

80,0

9

10,0

6.0-37.00

100,0

12

10,0

6.0-32.00

76,0

9

10,0

6.0-40.00

105,0

16

13,0

6.5-32.5

91,0

12

10,0

 

 

 

 

SIZE

Drilling range

D1-D2

mm

4.0-12.00

4.0/ 6.0/ 8.0/ 10.0/ 12.0

4.0-12.00

4.0/ 5.0/ 6.0/ 7.0/ 8.0/ 9.0/ 10.0/ 11.0/ 12.0

4.0-20.00

4.0/ 6.0/ 8.0/ 10.0/ 12.0/ 14.0/ 16.0/ 18.0/ 20.0

4.0-30.00

4.0/ 6.0/ 8.0/ 10.0/ 12.0/ 14.0/ 16.0/ 18.0/ 20.0/ 22.0/ 24.0/ 26.0/ 28.0/ 30.0

6.0-38.00

6.0/ 9.0/ 13.0/ 16.0/ 19.0/ 21.0/ 23.0/ 26.0/ 29.0/ 32.0/ 35.0/ 38.0

6.0-26.75

6.0/ 9.0/ 11.4(PG7)/ 14.0(PG9)/ 17.25(PG11)/ 19.0(PG13.5)/ 21.25(PG16)/ 26.75(PG21)

4.0-39.00

4.0/ 6.0/ 12.0/ 15.0/ 18.0/ 21.0/ 24.0/ 27.0/ 30.0/ 33.0/ 36.0/ 39.0

6.0-32.00

6.0/ 9.0/ 11.2(R1/ 8)/ 14.5(R1/ 4)/ 18.2(R3/ 8)/ 22.3(R1/ 2)/ 27.9(R3/4)/ 32.0

5.0-28.00

5.0/ 8.8(G1/8)/ 11.8(G1/4)/ 15.3(G3/8)/ 19.0(G1/2)/ 24.5(G3/4)/ 28.0

6.0-30.50

6.0/ 9.0/ 12.5(PG7)/ 15.2(PG9)/ 18.6(PG11)/ 20.4(PG13.5)/ 22.5(PG16)/ 28.3(PG21)/ 30.5

6.0-37.00

6.0/ 9.0/ 12.5(PG7)/ 15.2(PG9)/ 18.6(PG11)/ 20.4(PG13.5)/ 22.5(PG16)/ 26.0/ 28.3(PG21)/ 30.5/ 34.0/ 37.0(PG29)

6.0-32.00

6.0/ 9.0/ 12.0/ 16.0/ 20.0/ 22.5/ 25.0/ 28.5/ 32.0

6.0-40.00

6.0/ 11.0/ 17.0/ 23.0/ 29.0/ 30.0/ 31.0/ 32.0/ 33.0/ 34.0/ 35.0/ 36.0/ 37.0/ 38.0/ 39.0/ 40.0

6.5-32.5

6.5/ 8.5/ 10.5/ 12.7/ 15.2(PG9)/ 16.2/ 18.6(PG11)/ 20.4(PG13.5)/ 22.5(PG16)/ 25.5/ 28.3(PG21)/ 32.5

 

 

Packaging Details:

10pc/bag,10bag/inner box,10box/carton
factory default packing cutomized packing accept,need adding extra packing cost.

 

 

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