Hangzhou Harpow Tools Co., Ltd

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Straight Flute HSS Step Drill Bit

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Product Details

Straight trough step drill

Description:

  • Shank: Round shank/Triangle shank/Six angle shank/Double R six angle shank

  • Material: 45cs, HSS 4241, HSS 6542/M2, HSS M35

  • Surface treatment: white/titanium coated/black/yellow roasted/GO coated


Features: 

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Straight trough ladder metric

Size

Number of steps

Shank

 

3-13

11

7.1

4-12

5

6

4-12

9

6

4-20

9

8

4-22

10

8

4-30

13

10

4-32

14

10

4-39

13

10

5-35

13

10

6-25

7

10

6-35

13

10

6-37

11

13

6-40

16

13

5-52

12

13

10-45

9

12


Straight slot drilling ladder metric

Size

Number of steps

Shank

 

3/6-1/2

6

1/4


1/8-1/2

13

1/4


1/4-3/4

9

3/8


3/16-7/8

12

3/8


1/2-1

9

3/8


1/4-1-3/8

10

3/8


7/16-1-1/8

12

3/8



Package:
Performance of the package of Drill Bit shown as following:
PVC bag, Plastic box, Hanger, Plastic tube, Aluminum Case, wood case…


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