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標(biāo)準(zhǔn)尺寸

孔徑

圓心

使用面積 %

30

.020"

.045"

20%

26

1/32"

1/16"

22%

26

.033"

.055" STRAIGHT

29%

24

3/64"

3/32"

23%

26

.050"

.066" STRAIGHT

52%

26

050"

5/64"

37%

22

1/16"

3/32"

40%

22,26

1/16"

7/64"

30%

20,18

1/16"

1/8"

23%

22,20

5/64

1/8"

35%

20,18,16

3/32

5/32"

33%

22

.117

5/32"

51%

26-11

1/8

3/16"

40%

20-16

5/32"

3/16"

63%

24-14

3/16"

1/4"

51%

18,11

3/16"

5/16"

33%

22-16

1/4"

5/16"

58%

20-14,11

1/4"

3/8"

40%

10

3/8"

1/2"

51%

18,16,11

3/8"

9/16"

40%

20,16,14,11

1/2"

11/16"

48%

11

3/4"

1"

51%