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    螺絲攻牙鉆孔徑和滾絲徑對照表

    時間:2020-12-09 瀏覽次數:985 來源:

    螺絲攻牙鉆孔徑和滾絲徑對照表

    公制粗螺紋

    美制粗螺紋

    規格

    標準徑

    2級牙鉆孔徑

    規格(UNC)

    標準徑

    2級牙鉆孔徑

    最大

    最小

    最大

    最小

    M1.0×0.25

    0.75

    0.785

    0.729

    NO.1-64(1.854)

    1.55

    1.582

    1.425

    M1.1×0.25

    0.85

    0.885

    0.829

    NO.2-56(2.184)

    1.80

    1.871

    1.695

    M1.2×0.25

    0.95

    0.985

    0.985

    NO.3-48(2.515)

    2.10

    2.146

    1.941

    M1.4×0.3

    1.10

    1.142

    1.075

    NO.4-40(2.845)

    2.30

    2.385

    2.157

    M1.6×0.35

    1.25

    1.321

    1.221

    NO.5-40(3.175)

    2.60

    2.697

    2.487

    M1.7×0.35

    1.35

    1.421

    1.321

    NO.6-32(3.505)

    2.80

    2.895

    2.642

    M1.8×0.35

    1.45

    1.521

    1.421

    NO8-32(4.166)

    3.40

    3.53

    3.302

    M2.0×0.4

    1.60

    1.679

    1.567

    NO.10-24(4.826)

    3.90

    3.962

    3.683

    M2.2×0.45

    1.75

    1.838

    1.713

    NO.12-24(5.486)

    4.50

    4.597

    4.344

    M2.3×0.4

    1.90

    1.979

    1.867

    1/4-20

    5.10

    5.257

    4.979

    M2.5×0.45

    2.10

    2.138

    2.013

    5/16-18

    6.60

    6.731

    6.401

    M2.6×0.45

    2.20

    2.238

    2.113

    3/8-16

    8.00

    8.153

    7.798

    M3.0×0.5

    2.50

    2.599

    2.459

    7/16-14

    9.40

    9.55

    9.144

    M3.0×0.6

    2.40

    2.440

    2.280

    1/2-13

    10.80

    11.023

    10.592

    M3.5×0.6

    2.90

    3.010

    2.850

    9/16-12

    12.20

    12.446

    11.989

    M4.0×0.7

    3.30

    3.422

    3.242

    5/8-11

    13.60

    12.868

    13.386

    M4.0×0.75

    3.25

    3.326

    3.106

    3/4-10

    16.50

    18.840

    16.307

    M4.5×0.75

    3.80

    3.878

    3.688

    7/8-9

    19.50

    19.761

    19.177

    M5.0×0.8

    4.20

    4.334

    4.134

    1

    22.20

    22.606

    21.971

    M5.0×0.9

    4.10

    4.170

    3.930

    1-1/8-7

    25.00

    25.349

    24.638

    M6.0×1.0

    5.00

    5.153

    4.917

    1-1/4-7

    28.20

    28.524

    27.813

    M7.0×1.0

    6.00

    6.153

    5.917

    1-3/8-6

    30.80

    31.115

    30.353

    M8.0×1.25

    6.80

    6.912

    6.647

    1-1/2-6

    34.00

    34.290

    33.528

    M9.0×1.25

    7.80

    7.912

    7.647

    1-3/4-5

    39.50

    39.827

    38.964

    M10×1.5

    8.50

    8.676

    8.376

    2-4-1/2

    45.20

    45.593

    44.679

    M11×1.5

    9.50

    9.676

    9.376

     

     

     

     

    M12×1.75

    10.30

    10.441

    10.106

     

     

     

     

    M14×2.0

    12.00

    12.210

    11.835

     

     

     

     

    M16×2.0

    14.00

    14.210

    13.835

     

     

     

     

    M18×2.5

    15.50

    15.744

    15.294

     

     

     

     

    M20×2.5

    17.50

    17.744

    17.294

     

     

     

     

    M22×2.5

    19.50

    19.744

    19.294

     

     

     

     

    M24×3.0

    21.00

    21.252

    20.752

     

     

     

     

    M27×3.0

    24.00

    24.252

    23.752

     

     

     

     

    M30×3.5

    26.50

    26.771

    26.211

     

     

     

     

    螺絲攻牙鉆孔徑和滾絲徑對照表

    公制細螺紋

    美制細螺紋

    規格

    標準徑

    2級牙鉆孔徑

    規格(UNC)

    標準徑

    2級牙鉆孔徑

    最大

    最小

    最大

    最小

    M1.0×0.2

    0.80

    0.821

    0.783

    NO.0-80(1.524)

    1.25

    1.305

    1.182

    M1.1×0.2

    0.90

    0.921

    0.883

    NO.1-72(1.854)

    1.55

    1.612

    1.474

    M1.2×0.2

    1.00

    1.021

    0.983

    NO.2-64(2.184)

    1.85

    1.912

    1.756

    M1.4×0.2

    1.20

    1.221

    1.183

    NO.3-56(2.515)

    2.10

    2.197

    2.025

    M1.6×0.2

    1.40

    1.421

    1.383

    NO.4-48(2.845)

    2.40

    2.458

    2.271

    M1.7×0.2

    1.45

    1.500

    1.460

    NO.5-44(3.175)

    2.70

    2.740

    2.551

    M1.8×0.2

    1.60

    1.621

    1.583

    NO.6-40(3.505)

    2.90

    3.022

    2.820

    M2.0×0.25

    1.75

    1.785

    1.729

    NO.8-36(4.166)

    3.50

    3.606

    3.404

    M2.2×0.25

    1.95

    1.985

    1.929

    NO.10-32(4.826)

    4.10

    4.165

    3.963

    M2.3×0.25

    2.05

    2.061

    2.001

    NO.12-28(5.846)

    4.60

    4.724

    4.496

    M2.5×0.35

    2.20

    2.221

    2.121

    1/4-28

    5.50

    5.588

    5.360

    M2.6×0.35

    2.20

    2.246

    2.186

    5/16-24

    6.90

    7.035

    6.782

    M3.0×0.35

    2.70

    2.721

    2.621

    3/8-24

    8.50

    8.636

    8.382

    M3.5×0.35

    3.20

    3.221

    3.121

    7/16-20

    9.90

    10.033

    9.729

    M4.0×0.5

    3.50

    3.599

    3.459

    1/2-20

    11.50

    11.607

    11.329

    M4.5×0.5

    4.00

    4.099

    3.959

    9/16-18

    12.90

    13.081

    12.751

    M5.0×0.5

    4.50

    4.599

    4.459

    5/8-18

    14.50

    14.681

    14.351

    M5.5×0.5

    5.00

    5.099

    4.959

    3/4-16

    17.50

    17.678

    17.323

    M6.0×0.75

    5.30

    5.378

    5.188

    7/8-14

    20.50

    20.675

    20.270

    M6.0×0.5

    5.50

    5.550

    5.400

    1-12

    23.20

    23.571

    23.114

    M7.0×0.75

    6.30

    6.378

    6.188

    1-1/8-12

    26.50

    26.746

    26.289

    M7.0×0.5

    6.50

    6.550

    6.400

    1-1/4-12

    29.50

    29.921

    29.464

    M8.0×1.0

    7.00

    7.153

    6.917

    1-3/8-12

    32.80

    33.096

    32.639

    M8.0×0.75

    7.30

    7.378

    7.188

    1-1/2-12

    36.00

    36.271

    35.814

    M8.0×0.5

    7.50

    7.520

    7.400

     

     

     

     

    M9.0×1.0

    8.00

    8.153

    7.917

     

     

     

     

    M9.0×0.75

    8.30

    8.378

    8.188

     

     

     

     

    M10×1.25

    8.80

    8.912

    8.647

     

     

     

     

    M10×1.0

    9.00

    9.153

    8.917

     

     

     

     

    M10×0.75

    9.30

    9.378

    9.188

     

     

     

     

    M10×0.5

    9.50

    9.520

    9.400

     

     

     

     

    M11×1.0

    10.00

    10.153

    9.917

     

     

     

     

    M11×0.75

    10.30

    10.378

    10.188

     

     

     

     

    M12×1.5

    10.50

    10.676

    10.376

     

     

     

     

    M12×1.25

    10.80

    10.912

    10.647

     

     

     

     

    M12×1.0

    11.00

    11.153

    10.917

     

     

     

     

    M12×0.5

    11.50

    11.520

    11.400

     

     

     

     

    M14×1.5

    12.50

    12.676

    12.376

     

     

     

     

    M14×1.0

    13.00

    13.153

    12.917

     

     

     

     

    M15×1.5

    13.50

    13.676

    13.376

     

     

     

     

    M15×1.0

    14.00

    14.153

    13.917

     

     

     

     

    M16×1.5

    14.50

    14.676

    14.376

     

     

     

     

    M16×1.0

    15.00

    15.153

    14.917

     

     

     

     

    M17×1.5

    15.50

    15.676

    15.376

     

     

     

     

    M17×1.0

    16.00

    16.153

    15.917

     

     

     

     

    M18×2.0

    16.00

    16.210

    15.835

     

     

     

     

    M18×1.5

    16.50

    16.676

    16.376

     

     

     

     

    M18×1.0

    17.00

    17.153

    16.917

     

     

     

     

    M20×2.0

    18.00

    18.210

    17.835

     

     

     

     

    M20×1.5

    18.50

    18.676

    18.376

     

     

     

     

    M20×1.0

    19.00

    19.153

    18.917

     

     

     

     

    M22×2.0

    20.00

    20.210

    19.835

     

     

     

     

    M22×1.5

    20.50

    20.676

    20.376

     

     

     

     

    M22×1.0

    21.00

    21.153

    20.917

     

     

     

     

    M24×2.0

    22.00

    22.210

    21.835

     

     

     

     

    M24×1.5

    22.50

    22.676

    22.376

     

     

     

     

    M24×1.0

    23.00

    23.153

    22.917

     

     

     

     

    M25×2.0

    23.00

    23.210

    22.835

     

     

     

     

    M25×1.5

    23.50

    23.676

    23.376

     

     

     

     

    M25×1.0

    24.00

    24.153

    23.917

     

     

     

     

    M26×1.5

    24.50

    24.676

    24.376

     

     

     

     

    M27×2.0

    25.00

    25.210

    24.835

     

     

     

     

    M27×1.5

    25.50

    25.676

    25.376

     

     

     

     

    M27×1.0

    26.00

    26.153

    25.917

     

     

     

     

    M28×2.0

    26.00

    26.210

    25.835

     

     

     

     

    M28×1.5

    26.50

    26.676

    26.376

     

     

     

     

    M28×1.0

    27.00

    27.153

    26.917

     

     

     

     

    M30×3.0

    27.00

    27.252

    26.752

     

     

     

     

    M30×2.0

    28.00

    28.210

    27.835

     

     

     

     

    M30×1.5

    28.50

    28.676

    28.376

     

     

     

     

    M30×1.0

    29.00

    29.153

    28.917

     

     

     

     

    M32×2.0

    30.00

    30.210

    29.835

     

     

     

     

    M32×1.5

    30.50

    30.676

    30.376

     

     

     

     

    M33×3.0

    30.00

    30.252

    29.752

     

     

     

     

    M33×2.0

    31.00

    31.210

    30.835

     

     

     

     

    M33×1.5

    31.50

    31.676

    31.376

     

     

     

     

    M35×1.5

    33.50

    33.676

    33.376

     

     

     

     

    M36×3.0

    33.00

    33.252

    32.752

     

     

     

     

    M36×2.0

    34.00

    34.210

    33.835

     

     

     

     

    M36×1.5

    34.50

    34.676

    34.376

     

     

     

     

    螺絲攻牙鉆孔徑和滾絲徑對照表

    公制擠壓絲攻鉆孔徑

    美制擠壓絲攻鉆孔徑

    規格

    精度等級

    規格(UNC)

    精度等級

    G4-G6

    G7-G8

    G9

    G4-G6

    G7-G8

    G9

    M1.0×0.25

    0.86

    0.88

    NO.2-56UNC

    1.94

    M1.1×0.25

    0.96

    0.98

    NO.3-48

    2.23

    M1.2×0.25

    1.06

    1.08

    NO.4-40

    2.50

    M1.4×0.3

    1.24

    1.25

    NO.5-40

    2.83

    M1.6×0.35

    1.41

    1.43

    NO.6-32

    3.07

    M1.7×0.35

    1.51

    1.53

    NO.8-32

    3.73

    3.77

    M1.8×0.35

    1.61

    1.63

    NO.10-24

    4.24

    4.3

    M2.0×0.4

    1.78

    1.80

    NO.12-24

    4.90

    4.96

    M2.2×0.45

    1.95

    1.98

    1/4-20

    5.72

    M2.3×0.4

    2.08

    2.10

    5/16-18

    7.24

    M2.5×0.45

    2.25

    2.28

    3/8-16

    8.74

    8.81

    M2.6×0.45

    2.35

    2.38

    7/16-14

    10.20

    10.30

    M3.0×0.5

    2.73

    2.75

    1/2-13

    11.27

    11.82

    M3.5×0.6

    3.17

    3.20

    NO.2-64UNF

    1.97

    M4.0×0.7

    3.62

    3.65

    3.69

    NO.3-56

    2.27

    M5.0×0.8

    4.56

    4.60

    4.64

    NO.4-48

    2.56

    M6.0×1.0

    5.45

    5.50

    5.55

    NO.5-44

    2.86

    M7.0×1.0

    6.45

    6.50

    6.55

    NO.6-40

    3.16

    M8.0×1.25

    7.31

    7.38

    7.44

    NO.8-36

    3.78

    M10×1.5

    9.18

    9.25

    9.32

    NO.10-32

    4.39

    4.43

    M10×1.25

    9.31

    9.38

    9.44

    NO.12-28

    4.99

    5.04

    M12×1.75

    11.04

    11.12

    11.21

    1/4-28

    5.85

    5.90

    M12×1.25

    11.31

    11.38

    11.44

    5/16-24

    7.36

    7.41

     

     

     

     

    3/8-24

    9.00

     

     

     

     

    7/16-20

    10.48

    10.54

     

     

     

     

    1/2-20

    12.07

    12.13

     

     

     

     


    美制特細螺紋

    英制電器螺紋

    規格

    標準徑

    2級牙鉆孔徑

    規格

    鉆孔徑

    最大

    最小

    NO.12-32

    4.70

    4.826

    4.623

    2BA

    4.0-4.2

    1/4     -32

    5.60

    5.690

    5.486

    3BA

     

    5/16   -32

    7.10

    7.264

    7.087

    4BA

    3.0-3.2

    3/8    -32

    8.70

    8.865

    8.661

    5BA

    2.7-2.8

    7/16   -28

    10.20

    10.338

    10.135

    6BA

    2.4-2.5

    1/2     -28

    11.80

    11.938

    11.709

     

     

    9/16    -24

    13.20

    13.386

    13.132

     

     

    5/8    -24

    14.80

    14.986

    14.732

     

     

    3/4    -20

    17.80

    17.958

    17.678

     

     

    7/8    -20

    21.00

    21.133

    20.853

     

     

    1      -20

    24.00

    24.308

    24.028

     

     

     

     

    螺絲攻牙鉆孔徑和滾絲徑對照表

    英制螺紋

    公制螺紋

    針車用螺紋

    規格(UNEF)

    鉆孔徑

    規格

    滾絲徑

    規格

    滾絲徑

    硬材

    軟材

    W 1/8 - 40

    2.65

    2.60

    M3×0.5

    2.63-2.60

    SM1/8-40

    2.735-2.688

    W 5/32 - 32

    3.25

    3.20

    M3.0×0.6

    2.56-2.53

    SM1/8-44

    2.769-2.722

    W 3/16  - 24

    3.75

    3.70

    M3.5×0.6

    3.06-3.03

    SM9/64-40

    3.128-3.083

    W 1/4 - 20

    5.10

    5.00

    M4.0×0.7

    3.49-3.45

    SM11/64-40

    3.855-3.805

    W 5/16 - 18

    6.60

    6.50

    M4.0×0.75

    3.45-3.41

    SM3/16-32

    4.205-4.155

    W 3/8 - 16

    8.00

    7.90

    M4.5×0.75

    3.96-3.92

    SM3/16-28

    4.143-4.093

    W 7/16 - 14

    9.40

    9.30

    M5.0×0.8

    4.43-4.38

    SM7/32-32

    5.003-4.955

    W 1/2 - 12

    10.70

    10.50

    M5.0×0.9

    4.36-4.31

    SM15/64-28

    5.325-5.570

    W 9/16 - 12

    12.30

    12.00

    M6.0×1.0

    5.30-5.25

    SM1/4-40

    5.890-5.735

    W 5/8 - 11

    13.70

    13.50

    M7.0×1.0

    6.30-6.25

    SM1/4-28

    5.721-5.366

    W 3/4 - 10

    16.70

    16.50

    M8.0×1.0

    7.28-7.23

    SM9/32-28

    6.508-6.648

    W 7/8 - 9

    19.50

    19.30

    M8.0×1.25

    7.12-7.07

    SM11/32-28

    8.092-8.432

    W1 - 8

    22.40

    22.00

     

     

    SM3/8-28

    8.880-8.015

    W 1-1/8 - 7

    25.00

    24.80

     

     

    SM7/16-28

    10.466-10.401

    W 1 - 1/4 - 7

    28.30

    28.00

     

     

    SM7/16-16

    10.037-9.967

     

     

     

     

     

    SM1/2-20

    11.819-11.749

     

     

     

     

     

    SM9/26-20

    13.400-13.425

     

     

     

     

    英制管螺紋

    英制管螺紋

    美制管螺紋

    規格

    標準徑

    鉆孔徑

    規格

    標準徑

    有交牙部之長度(最。┲兄懵菅纼葟

    標準長度(最。┲兄懵菅纼葟

    規格

    鉆孔徑

    最大

    最小

    使用絞刀時

    不用絞刀時

    NPT

    NPS

    使用絞刀時

    不用絞刀時

    PS 1/16 - 28

    6.50

    6.632

    6.490

    PT 1/16 - 28

    6.10

    6.20

    6.244

    6.384

    1/16 - 27

    6.10

    6.25

    6.35

    PS 1/8 - 28

    8.50

    8.637

    8.495

    PT 1/8 - 28

    8.10

    8.20

    8.249

    8.388

    1/8 - 27

    8.33

    8.43

    8.74

    PS 1/4 - 19

    11.40

    11.549

    11.341

    PT 1/4 - 19

    10.70

    11.00

    10.962

    11.174

    1/4 - 18

    10.72

    11.13

    11.13

    PS 3/8 - 19

    15.00

    15.054

    14.846

    PT 3/8 - 19

    14.20

    14.50

    14.448

    14.658

    3/8 - 18

    14.27

    14.27

    14.68

    PS 1/2 - 14

    18.50

    18.773

    18.489

    PT 1/2 - 14

    17.60

    18.00

    17.979

    18.263

    1/2 - 14

    17.48

    17.86

    18.26

    PS 3/4 -14

    24.00

    24.259

    23.975

    PT 3/4 - 14

    23.00

    23.50

    23.378

    23.663

    3/4 - 14

    22.63

    23.01

    23.42

    PS 1 - 11

    30.20

    30.471

    30.111

    PT 1- 11

    29.00

    29.50

    29.459

    29.822

    1 - 11-1/2

    28.58

    28.98

    29.36

    PS 1-1/4 - 11

    38.80

    39.132

    38.772

    PT 1-1/4 - 11

    37.50

    38.00

    37.976

    38.339

    1-1/4-11-1/2

    37.31

    37.69

    38.10

    PS 1-1/2 - 11

    44.80

    45.025

    44.665

    PT 1-1/2 - 11

    43.40

    44.00

    43.869

    44.232

    1-1/2-11-1/2

    43.66

    44.04

    44.45

    PS 2 - 11

    56.50

    56.836

    56.476

    PT 2 - 11

    54.90

    55.50

    55.412

    55.844

    2 - 11 - 1/2

    55.58

    55.96

    56.36


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