Типоразмер

Наружный диаметр, дюймов

Наружный диаметр, мм

Диаметр сверления, мм

Число витков на дюйм

Шаг, мм

BSF 3/16"

3/16

4,763

3,747

32

0,794

BSF 7/32"

7/32

5,556

4,394

28

0,907

BSF 1/4"

1/4

6,350

5,100

26

0,977

BSF 9/32"

9/32

7,142

5,893

26

0,977

BSF 5/16"

5/16

7,938

6,459

22

1,154

BSF 3/8"

3/8

9,525

7,899

20

1,270

BSF 7/16"

7/16

11,113

9,304

18

1,411

BSF 1/2"

1/2

12,700

10,668

16

1,587

BSF 9/16"

9/16

14,288

12,256

16

1,587

BSF 5/8"

5/8

15,875

13,549

14

1,814

BSF 11/16"

11/16

17,463

15,137

14

1,814

BSF 3/4"

3/4

19,050

16,336

12

2,117

BSF 7/8"

7/8

22,225

19,269

11

2,309

BSF 1"

1

25,400

22,148

10

2,540

BSF 1 1/8"

1 1/8

28,575

24,963

9

2,822

BSF 1 1/4"

1 1/4

31,750

28,138

9

2,822

BSF 1 3/8"

1 3/8

34,925

30,861

8

3,175

BSF 1 1/2"

1 1/2

38,100

34,036

8

3,175

BSF 1 5/8"

1 5/8

41,275

37,211

8

3,175

BSF 1 3/4"

1 3/4

44,450

39,802

7

3,628

BSF 2"

2

50,800

46,152

7

3,628

BSF 2 1/4"

2 1/4

57,150

51,730

6

4,233

BSF 2 1/2"

2 1/2

63,500

58,080

6

4,233

BSF 2 3/4"

2 3/4

69,850

64,430

6

4,233

BSF 3"

3

76,200

69,692

5

5,080

BSF 3 1/4"

3 1/4

82,550

76,042

5

5,080

BSF 3 1/2"

3 1/2

88,900

81,670

4,5

5,644

BSF 3 3/4"

3 3/4

95,250

88,020

4,5

5,644

BSF 4"

4

101,600

94,370

4,5

5,644