Articles

Bore Size Calculations.

  

BORE

CALIBRE

BORE

CALIBRE

BORE

CALIBRE

1

1.669

51

.450

101

.358

2

1.325

52

.447

102

.357

3

1.157

53

.444

103

.356

4

1.052

54

.442

104

.355

5

.976

55

.439

105

.354

6

.919

56

.436

106

.353

7

.873

57

.434

107

.352

8

.835

58

.431

108

.350

9

.803

59

.429

109

.349

10

.775

60

.426

110

.348

11

.751

61

.424

111

.347

12

.729

62

.422

112

.346

13

.710

63

.419

113

.345

14

.693

64

.417

114

.344

15

.677

65

.415

115

.343

16

.662

66

.413

116

.342

17

.649

67

.411

117

.341

18

.637

68

.409

118

.340

19

.626

69

.407

119

.339

20

.615

70

.405

120

.338

21

.605

71

.403

121

.337

22

.596

72

.401

122

.3365

23

.587

73

.399

123

.336

24

.579

74

.398

124

.335

25

.571

75

.396

125

.334

26

.563

76

.394

126

.333

27

.556

77

.392

127

.332

28

.550

78

.391

128

.331

29

.543

79

.389

129

.330

30

.537

80

.387

130

.3295

31

.531

81

.386

131

.329

32

.526

82

.384

132

.328

33

.520

83

.383

133

.327

34

.515

84

.381

134

.3265

35

.510

85

.379

135

.326

36

.506

86

.378

136

.325

37

.501

87

.377

137

.324

38

.497

88

.375

138

.323

39

.492

89

.374

139

.322

40

.488

90

.372

140

.3215

41

.484

91

.371

141

.321

42

.480

92

.370

142

.320

43

.476

93

.368

143

.319

44

.473

94

.367

144

.3185

45

.469

95

.366

145

.318

46

.466

96

.364

146

.317

47

.463

97

.363

147

.316

48

.459

98

.362

148

.3155

49

.456

99

.361

149

.315

50

.453

100

.360

150

.314