Decimal Equivalents and Tap Sizes of Fraction , Number ... Equivalents and Tap Sizes of Fraction ,...

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Decimal Equivalents and Tap Sizes of Fraction , Number, Letter and Metric SizesRecommended tap drill sizes for approximately 75% depth of thread

SIZES DECIMALINCHES

TAP SIZESTo be used with

drills as indicatedSIZES DECIMAL

INCHESTAP SIZES

To be used withdrills as indicated

SIZES DECIMALINCHES

TAP SIZESTo be used with

drills as indicatedSIZES DECIMAL

INCHESTAP SIZES

To be used withdrills as indicated

SIZES DECIMALINCHES

TAP SIZESTo be used with

drills as indicated

97.15mm

96.16mm

95.17mm

94.18mm

93.19mm

92.2mm

91.21mm

90.22mm

89.23mm.24mm

88.25mm

87.26mm

86.27mm

85.28mm.29mm

84.3mm

8382

.32mm81

.34mm80

.35mm

.36mm79

.38mm1/64

.4mm78

.42mm

.44mm

.45mm77

.46mm

.48mm.5mm

7675

.55mm74

.6mm7372

.65mm71

.7mm7069

.75mm68

1/32.8mm

6766

.85mm65

.9mm6463

.95mm6261

1mm6059

1.05mm

.0059

.0059

.0063

.0063

.0067

.0067

.0071

.0071

.0075

.0075

.0079

.0079

.0083

.0083

.0087

.0087

.0091

.0091

.0094

.0095

.0098

.0100

.0102

.0105

.0106

.0110

.0110

.0114

.0115

.0118

.0120

.0125

.0126

.0130

.0134

.0135

.0138

.0142

.0145

.0150

.0156

.0157

.0160

.0165

.0173

.0177

.0180

.0181

.0189

.0197

.0200

.0210

.0217

.0225

.0236

.0240

.0250

.0256

.0260

.0276

.0280

.0292

.0295

.0310

.0312

.0315

.0320

.0330

.0335

.0350

.0354

.0360

.0370

.0374

.0380

.0390

.0394

.0400

.0410

.0413

5857

1.1mm1.15mm

563/64

1.2mm1.25mm

1.3mm55

1.35mm54

1.4mm1.45mm

1.5mm53

1.55mm1/16

1.6mm52

1.65mm1.7mm

511.75mm

501.8mm

1.85mm49

1.9mm48

1.95mm5/64

472mm

2.05mm4645

2.1mm2.15mm

442.2mm

2.25mm43

2.3mm2.35mm

423/32

2.4mm41

2.45mm40

2.5mm3938

2.6mm37

2.7mm36

2.75mm7/64

352.8mm

3433

2.9mm32

3mm31

3.1mm1/8

3.2mm3.25mm

303.3mm3.4mm

293.5mm

289/64

3.6mm

.0420

.0430

.0433

.0453

.0465

.0469

.0472

.0492

.0512

.0520

.0531

.0550

.0551

.0571

.0591

.0595

.0610

.0625

.0630

.0635

.0650

.0669

.0670

.0689

.0700

.0709

.0728

.0730

.0748

.0760

.0768

.0781

.0785

.0787

.0807

.0810

.0820

.0827

.0846

.0860

.0866

.0886

.0890

.0906

.0925

.0935

.0938

.0945

.0960

.0965

.0980

.0984

.0995

.1015

.1024

.1040

.1063

.1065

.1083

.1094

.1100

.1102

.1110

.1130

.1142

.1160

.1181

.1200

.1220

.1250

.1260

.1280

.1285

.1299

.1339

.1360

.1378

.1405

.1406

.1417

#0—80

m1.6x0.35

m1.8x0.35

#1—64, 72

m2x0.4

#2—56m2.2x0.45

#2—64

m2.3x0.4

#3—48

m2.5x0.45

#3—56

m2.6x0.45#4—36

#4—40

#4—48

m3x0.5

#5—40

#5—44

#6—32

#6—40m3.5x0.6

5/32-32 NS

5/32-36 NS

m4x0.7

#8—32

273.7mm

263.75mm

253.8mm

243.9mm

235/32

224mm

2120

4.1mm4.2mm

194.25mm

4.3mm18

11/6417

4.4mm16

4.5mm15

4.6mm1413

4.7mm4.75mm

3/164.8mm

1211

4.9mm10

95mm

85.1mm

713/64

65.2mm

55.25mm

5.3mm4

5.4mm3

5.5mm7/32

5.6mm2

5.7mm5.75mm

15.8mm5.9mm

A15/64

6mmB

6.1mmC

6.2mmD

6.25mm6.3mm

E1/4

6.4mm6.5mm

F6.6mm

G6.7mm

17/646.75mm

.1440

.1457

.1470

.1476

.1495

.1496

.1520

.1535

.1540

.1562

.1570

.1575

.1590

.1610

.1614

.1654

.1660

.1673

.1693

.1695

.1719

.1730

.1732

.1770

.1772

.1800

.1811

.1820

.1850

.1850

.1870

.1875

.1890

.1890

.1910

.1929

.1935

.1960

.1969

.1990

.2008

.2010

.2031

.2040

.2047

.2055

.2067

.2087

.2090

.2126

.2130

.2165

.2188

.2205

.2210

.2244

.2264

.2280

.2283

.2323

.2340

.2344

.2362

.2380

.2402

.2420

.2441

.2460

.2461

.2480

.2500

.2500

.2520

.2559

.2570

.2598

.2610

.2638

.2656

.2657

3/16-24 NS

m4.5x0.75#10—24

3/16-32 NS

#10—32

m5x0.8

#12—24

#12—28

7/32-32 NS

m6x1

1/4—20

m6x0.75

1/4—24

1/4—28

m7x1

1/16-27 NPT PIPE

1/16-27 NPS PIPE

5/16-18 NC

m8x1.25

H6.8mm6.9mm

I7mm

J7.1mm

K9/32

7.2mm7.25mm

7.3mmL

7.4mmM

7.5mm19/64

7.6mmN

7.7mm7.75mm

7.8mm7.9mm

5/168mm

O8.1mm8.2mm

P8.25mm

8.3mm21/64

8.4mmQ

8.5mm8.6mm

R8.7mm

11/328.75mm

8.8mmS

8.9mm9mm

T9.1mm

23/649.2mm

9.25mm9.3mm

U9.4mm9.5mm

3/8V

9.6mm9.7mm

9.75mm9.8mm

W9.9mm

25/6410mm

XY

13/32Z

10.5mm27/6411mm

7/1611.5mm

29/6415/3212mm31/64

12.5mm1/2

13mm33/64

.2660

.2677

.2717

.2720

.2756

.2770

.2795

.2810

.2812

.2835

.2854

.2874

.2900

.2913

.2950

.2953

.2969

.2992

.3020

.3031

.3051

.3071

.3110

.3125

.3150

.3160

.3189

.3228

.3230

.3248

.3268

.3281

.3307

.3320

.3346

.3386

.3390

.3425

.3438

.3445

.3465

.3480

.3504

.3543

.3580

.3583

.3594

.3622

.3642

.3661

.3680

.3701

.3740

.3750

.3770

.3780

.3819

.3839

.3858

.3860

.3898

.3906

.3937

.3970

.4040

.4062

.4130

.4134

.4219

.4331

.4375

.4528

.4531

.4688

.4724

.4844

.4921

.5000

.5118

.5156

5/16-24 NF

m8x1

5/16-32 NS

m9x1.25

3/8-16 NC

3/8-24 NF

m10x1.5

1/8-27 NPT PIPE

m10x1.25

1/8-27 NPS PIPE

m10.x1.00

7/16-14 NC

m11x1.5

7/16—20m12x1.75

m12x1.251/2—13

1/4-18 NPT PIPE

1/4-18 NPS PIPE 1/2-20

m14x29/16—12m14x1.5

m14x1.259/16—18

17/3213.5mm

35/6414mm

9/1614.5mm

37/6415mm19/3239/64

15.5mm5/8

16mm41/64

16.5mm21/3217mm43/6411/16

17.5mm45/6418mm23/32

18.5mm47/6419mm

3/449/64

19.5mm25/3220mm51/64

20.5mm13/1621mm53/6427/32

21.5mm55/6422mm

7/822.25mm

22.5mm57/6423mm29/3259/64

23.5mm15/1624mm61/64

24.5mm31/3225mm63/64

125.5mm

1-1/6426mm

1-1/3226.5mm

1-3/641-1/1627mm

1-5/6427.5mm

1-3/3228mm

1-7/6428.5mm

1-1/81-9/6429mm

1-5/3229.5mm1-11/64

.5312

.5315

.5469

.5512

.5625

.5709

.5781

.5906

.5938

.6094

.6102

.6250

.6299

.6406

.6496

.6562

.6693

.6719

.6875

.6890

.7031

.7087

.7188

.7283

.7344

.7480

.7500

.7656

.7677

.7812

.7874

.7969

.8071

.8125

.8268

.8281

.8438

.8465

.8594

.8661

.8750

.8760

.8858

.8906

.9055

.9062

.9219

.9252

.9375

.9449

.9531

.9646

.9688

.9843

.98441.00001.00391.01561.02361.03121.04331.04691.06251.06301.07811.08271.09381.10241.10941.12201.12501.14061.14171.15621.16141.1719

5/8—11

m16x2

m16x1.503/8-18 NPT

PIPE 5/8-18 NF

3/8-18 NPS PIPE

m18x2.511/16-16 NS

m18x2.0

3/4-10 NC

3/4-16 NF

m20x2.5

m20x2.01/2-14 NPT PIPE

m20x1.51/2-14 NPS PIPE

7/8-9 NC

m22x2.5

m22x2.0

m22x1.57/8-14 NF

m24x3

m24x21-8 NC

m24x1.50

3/4-14 NPT PIPE

3/4-14 NPS PIPE 1-14 NF

m27x3

m27x21-1/8—7 NC

m30x3.51-1/8-12 NF

m30x2.01-1/4-7 NC

1-11 1/2NPT PIPE

1-1/4-12 NF

Phone 800-382-3684Fax 800-233-7459

PMIndust_SMHgr09.indd 1 3/20/08 11:36:01 AM

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