常用鋼球規格重量及換算表

mm

inch

mm

inch

mm

inch

0.5000

0.0051

1960780

8.0000

2.09

478

20.637

13/16

35.80

27.90

0.6800

0.0128

781250

8.5000

2.50

400

21.0000

37.75

26.49

0.8000

0.0209

478470

8.731

11/32

2.71

369

21.4313

27/32

40.10

24.90

1.0000

0.0408

245100

9.0000

2.97

337

22.225

7/8

44.80

22.30

1.2000

0.0705

141840

9.525

3/8

3.52

284

23.0000

49.59

20.17

1.3000

0.0893

111980

10.0000

4.08

245

23.0188

29/32

49.80

20.10

1.4500

0.124

80645

10.3188

13/32

4.48

223

23.8125

15/16

55.10

18.20

1.588

1/16

0.160

62350

11.0000

5.42

185

24.0000

56.34

17.75

1.7500

0.218

45871

11.1125

7/16

5.60

179

24.6063

31 /32

60.80

16.50

2.0000

0.326

30700

11.5000

6.22

161

25.0000

63.68

15.70

2.3812

3/32

0.550

18182

11.5094

29/64

6.22

161

25.4

1

66.80

15.00

2.5000

0.637

15698

11.9062

15/32

6.88

145

26.1938

1-1/32

73.30

13.64

3.0000

1.100

9091

12.0000

7.04

142

26.9875

1-1/16

80.20

12.47

3.175

1/8

1.310

7634

12.3031

31/64

7.60

132

27.7812

1-3/32

87.40

11.40

3.5000

1.750

5717

12.7

1/2

8.35

120

28.0000

89.47

11.18

3.9690

5/32

2.550

3922

13.4938

17/32

10.00

100

28.575

1-1/8

95.20

10.50

4.0000

2.610

3831

14.0000

11.18

89

30.1625

1-3/16

112.00

8.93

4.7625

3/16

4.410

2268

14.2875

9/16

11.90

84

31.75

1-1/4

130.60

7.66

5.0000

5.100

1961

15.0812

19/32

14.00

71.40

33.3375

1-5/16

151.10

6.62

5.1594

13/64

5.600

1786

15.875

5/8

16.30

61.30

34.925

1-3/8

173.80

5.75

5.5562

7/32

6.990

1431

16.0000

1 6.69

59.90

36.5125

1-7/16

198.60

5.04

5.9531

15/64

8.600

1163

16.6688

21/32

18.90

52.90

38.1

1-1/2

225.60

4.43

6.0000

8.810

1136

17.0000

20.02

50.00

40.0000

261.10

3.83

6.35

1/4

10.400

962

17.4625

11/16

21.70

46.10

41.275

1-5/8

286.80

3.49

6.5000

11.190

894

18.2562

23/32

24.80

40.30

42.8625

1-11/46

321.20

3.11

6.7469

17/64

12.500

800

19.0000

27.96

35.77

44.45

1-3/4

358.20

2.79

7.1438

7/32

14.900

671

19.05

3/4

28.20

35.50

47.625

1-7/8

440.60

2.27

7.9375

5/16

20.400

490

19.9438

25/32

31.90

31.40

50.8

2

534.70

1.87