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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

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Brand Name : STARRY

Model Number : 3/16-1/2", 3/16-7/8", 1/4-3/4"

Certification : ISO9000

Place of Origin : JIANG SU CHINA

MOQ : 100 Set/Sets

Price : Negotiable

Supply Ability : 50000 Set/Sets per Month Step Drill Set

Delivery Time : 25days

Packaging Details : 3Pcs packed in one aluminum case, 20sets/carton.

Name : hss step drill bit

Material : hss-4241;4341;m2;m35

Use : Metal Drilling

Flute : Straight Flute

Flute Number : Three Flutes

Shank : Three Flat Shank

Process : Fully Ground

Point Angle : 135 Degree Split Point

Surface Finish : Black and Amber

Application : Metal sheet Tube Drilling

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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

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

Procuct Name

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

for Metal Sheet Multiple Hole Drilling
Sizes 3/16-1/2", 3/16-7/8", 1/4-3/4" (Metric Size is Available)
Material HSS (Cobalt M35 is Available)
Flute Type Straight Flute (Spiral Flute is Available)
Flute Number Two Flutes (Single Flute, Three Flutes are Available)
Shank Three Flats Shank (Quick Change Hex Shank, Round Shank, Double R Shank are Available)
Surface Finish Black & Amber (TiN, Bright, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package 3Pcs 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.

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

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.


Product Tags:

step up drill bit

      

titanium step drill bit

      
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