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AGARWAL SONS

House of Fasteners, Hand Tools & General Hardware

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MILD STEEL BOLTS, NUTS, WASHERS, RIVETS AND STUDS

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Hexagonal Head Screw

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Mild steel fasteners are widely used for all general purposes where high strength and corrosion resistance is not required. Their low cost makes them ideal for everyday use. Mild steel Bolts and Screws conform to grades 4.6 and 4.8 and Nuts to grade 4. Higher grades of 5.6 and 5 are also arranged against order.


Finishes: Self colour, Zinc plated (with White/Blue/Yellow passivation), Hot Dip galvanised, Cadmium Plated, Blackened, Nickle plated and Chromium Plated.

 

Products and available Size Range


Hexagonal Head Bolts and Screws 

  • M3 X 6MM to M48 X 300 generally conforming to IS 1363(Part 1 & 2) 2002
  • 3/16” X 1/2” to 2” X 12” in BSW threads generally conforming to BS 916

Hexagonal Full and Lock (Thin) Nuts

  • M2 to M60 generally conforming to IS 1363(Part 3)2002 (Hex Nut) and to IS 1364(Part 4)2003 (Lock (Thin) Nut)
  • 1/8” to 2” in BSW threadsgenerally conforming to BS 916
  • 1/2” to 3” in BSP threadsgenerally conforming to IS 3468-1991

Left hand thread nuts

  • 1/4" to 1" in BSW threads
  • M6 to M24 in MM threads

Square Head Bolts & Nuts

  • M5 to M12generally conforming to IS 2585-2006
  • 1/8” to 1/2” in BSW threads

Dom Nuts

  • M6 to M24

Flange (Collar) Bolts and nuts

  • M6 x 12 to M10 x 25mm

Eye Bolts and Eye nuts

  • Lifting Hooks M8 to M48
  • Eye Bolt (Small Eye) M8 x 40 to M24 x 200
  • Eye Nuts M12 to M 20

Slotted and Castle Nuts

  • M10 to M48 generally conforming to IS 2232-1967
  • 3/8" to 2" in BSW threads

Nyloc Nuts

  • M3 to M48 generally conforming to IS7002-2005
  • 1/4" to 1" in BSW, UNC, UNF and BSF threads.

Wing Nuts (Cast Iron)

  • M6 to M16
  • 1/4" to 5/8" in BSW threads

Studs

  • M6 x 25mm to M20 x 100mm
  • 1/4" x 1" to 3/4" x 4"

Snap Head Rivets

  • 6 x 12mm to 24 x 100mm generally conforming to IS 1929/1982 and IS 2155/1982
  • 1/4" x 1/2" to 1" x 4"

Carriage Bolts

  • 1/4" x 1 1/2" to 1/2" to 12"
  • Special C.P. Carriage bolts with Nut and Washers 1/4" x 1 1/2" to 3" (for C.P.Aldrops)

Plain Washers

  • 3mm to 64mm generally conforming to IS 2016/67
  • 1/8" to 2"

Taper Washers

  • 12mm to 24mm

U Bolts

  • Suitable for pipe sizes of 3/4" to 12" with bolt dia of 8mm to 12mm

Pipe Bolts

  • 5/16" x 3" to 7" suitable for pipes of 1" to 2"

J & L Bolts

  • 5/16" x 3" to 7"

GI Threaded Rods

  • M6 to M20 in 1Mtr & 2Mtr length

Connecter (Long) Nut

  • M6 to M16

 

USEFUL FORMULAE

  • Kilograms of Nuts required for 50 kgs of Bolt with Nut =

No. of Bolts per Kg X 50

No. of Bolts per Kg + No. of Nuts per Kg

  •  Kilograms of Bolts required for 50 kgs of Bolt with Nut =

No. of Nuts per Kg X 50

No. of Bolts per Kg + No. of Nuts per Kg

  •  Approx Weight of one plain round washer =

{(OD x OD x thickness) - (ID x ID x thickness)}

160000

 

 

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IMPORTANT DIMENSIONS OF FASTENERS AS SPECIFIED IN THE RELEVANT SPECIFICATIONS

 

HEX HEAD BOLT TO IS 1363(PART 1) 2002 ISO 4016 : 1999 

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DIA

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.8

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

Head Across Flat (S)

Nom = Max

 

 Min

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

7.64

9.64

12.57

15.57

17.57

20.16

23.16

26.16

29.16

33

35

40

45

49

53.8

58.8

63.1

68.1

73.1

78.1

Head Height (K) Nom

 Tol  + or –

3.5

4

5.3

6.4

7.5

8.8

10

11.5

12.5

14

15

17

18.7

21

22.5

25

26

28

30

33

0.375

0.45

0.75

0.9

1.05

1.25

Across corners e Min

                        

8.63

10.89

14.2

17.59

19.85

22.78

26.17

29.56

32.95

37.29

39.55

45.2

50.85

55.37

60.79

66.44

71.3

76.95

82.6

88.25

Thread Length (b)

For lengths

 < or = 125mm

 

 For lengths

 > 125mm <= 200mm

 

 For lengths   > 200mm

16

18

22

26

30

34

38

42

46

50

54

60

66

Not specified as full thread recommended

22

24

28

32

36

40

44

48

52

56

60

66

72

78

84

90

96

102

108

116

35

37

41

45

49

53

57

61

65

69

73

79

85

91

97

103

109

115

121

129

Major Dia at thread (min)

4.764

5.720

7.665

9.625

11.575

13.55

15.55

17.47

19.47

21.47

23.4

26.4

29.33

32.33

35.25

38.25

41.2

44.2

47.15

51.15

Major Dia at thread (max)

4.976

5.974

7.972

9.968

11.966

13.962

15.962

17.958

19.958

21.958

23.952

26.952

29.947

32.947

35.94

38.94

41.937

44.937

47.929

51.929

 All above dimensions are in mm

 

 

 

HEX BOLTS/SCREWS IN BSW/BSF THREADS TO BS 916


All dimensions in Inches

DIA

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1 1/8

1 1/4

1 3/8

1 1/2

1 3/4

2

BSW Pitch (TPI)

20

18

16

14

12

12

11

10

9

8

7

7

 

6

5

4.5

BSF PITCH (TPI)

26

22

20

18

16

16

14

12

11

10

9

9

8

8

7

7

Head Across Flat (S) Min

Max

0.435

0.515

0.585

0.695

0.800

0.900

0.985

1.175

1.270

1.450

1.640

1.815

2.005

2.175

2.520

2.700

0.445

0.525

0.600

0.710

0.820

0.920

1.010

1.200

1.300

1.480

1.670

1.860

2.050

2.220

2.580

2.760

Head height (K) BASIC

Max

0.166

0.208

0.250

0.292

0.333

0.375

0.417

0.500

0.583

0.666

0.750

0.830

0.920

1.000

1.170

1.330

0.186

0.228

0.270

0.312

0.363

0.405

0.447

0.530

0.623

0.706

0.790

0.890

0.980

1.060

1.270

1.430

Across corners e Max

0.51

0.61

0.69

0.82

0.95

1.06

1.17

1.39

1.50

1.71

1.93

2.15

2.37

2.56

2.98

3.19

Thread Length b Min

Twice the Dia (2D)

Major Dia at thread BSW (min)

0.2408

0.3025

0.3643

0.4260

0.4879

0.5500

0.6119

0.7360

0.8621

0.9863

1.1105

1.2351

 

1.4839

1.7326

1.9816

Major Dia at thread  BSW (max)

0.2488

0.3112

0.3736

0.4360

0.4985

0.5609

0.6233

0.7482

0.8750

1.000

1.1250

1.250

 

1.500

1.750

2.000

Major Dia at thread BSF (min)

0.2413

0.3030

0.3649

0.4267

0.4886

0.5508

0.6126

0.7365

0.8627

0.9869

1.1113

1.2359

1.3602

1.4849

1.7338

1.9832

Major Dia at thread BSF (max)

0.2489

0.3113

0.3737

0.4361

0.4985

0.5610

0.6234

0.7482

0.8750

1.000

1.1250

1.250

1.375

1.500

1.750

2.000

 

 

HEX BOLTS/SCREWS IN UNC/UNF THREADS TO BS 1768-1963

All dimensions in Inches

DIA

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1 1/8

1 1/4

1 3/8

1 1/2

1 3/4

2

UNC Pitch (TPI)

20

18

16

14

13

12

11

10

9

8

7

7

6

6

5

4.5

UNF Pitch (TPI)

28

24

24

24

20

20

18

16

14

12

NOT RECOMMENDED

Head Across Flat (S) Min

Max

0.430

0.493

0.554

0.617

0.742

0.804

0.929

1.115

1.300

1.488

1.657

1.830

2.017

2.205

2.565

2.940

0.437

0.500

0.562

0.625

0.750

0.812

0.937

1.125

1.312

1.500

1.687

1.875

2.062

2.250

2.625

3.000

Head Height (K) Min

 

Max

0.153

0.201

0.233

0.281

0.313

0.361

0.393

0.463

0.543

0.597

0.678

0.773

0.838

0.934

1.074

1.203

0.163

0.211

0.243

0.291

0.323

0.371

0.403

0.483

0.563

0.627

0.718

0.813

0.878

0.974

1.134

1.263

Across corners e (MAX)

0.505

0.577

0.650

0.722

0.866

0.938

1.083

1.300

1.515

1.732

1.948

2.165

2.382

2.598

3.031

3.464

Thread Length b (Min)

2D + 1/4” upto bolt length of 6” and 2D + 1/2” for bolt lengths above 6”

Major Dia at thread ( Class 2A) Min for UNC

0.2408

0.3026

0.3643

0.4258

0.4876

0.5495

0.6113

0.7353

0.8592

0.9830

1.1064

1.2314

1.3544

1.4794

1.7268

1.9751

Major Dia at thread (2A) Min for UNF

0.2425

0.3042

0.3667

0.4281

0.4906

0.5524

0.6149

0.7391

0.8631

0.9868

NOT RECOMMENDED

Major Dia at thread Class 2A Max for UNC

0.2490

0.3113

0.3737

0.4361

0.4985

0.5609

0.6234

0.7482

0.8731

0.9980

1.1228

1.2478

1.3726

1.4976

1.7473

1.9971

 

HEX HEAD SCREWS IN MM THREADS TO IS 1363 (PART 2) 2002 ISO 4018 : 1999


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All dimensions in mm

DIA

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.8

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

Head Across Flat (S)

Nom = Max

 

 Min

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

7.64

9.64

12.57

15.57

17.57

20.16

23.16

26.16

29.16

33

35

40

45

49

53.8

58.8

63.1

68.1

73.1

78.1

Head Height (K) Nom

 Tol  + or –

3.5

4

5.3

6.4

7.5

8.8

10

11.5

12.5

14

15

17

18.7

21

22.5

25

26

28

30

33

0.375

0.45

0.75

0.9

1.05

1.25

Across corners e Min

                        

8.63

10.89

14.2

17.59

19.85

22.78

26.17

29.56

32.95

37.29

39.55

45.2

50.85

55.37

60.79

66.44

71.3

76.95

82.6

88.25

Major Dia at thread (min)

4.764

5.720

7.665

9.625

11.575

13.55

15.55

17.47

19.47

21.47

23.40

26.40

29.33

32.33

35.25

38.25

41.20

44.20

47.15

51.15

Major Dia at thread (max)

4.976

5.974

7.972

9.968

11.966

13.962

15.962

17.958

19.958

21.958

23.952

26.952

29.947

32.947

35.94

38.94

41.937

44.937

47.929

51.929

 

 

HEX NUTS IN MM THREADS TO IS 1363 (PART 3) 2002 ISO 4034 : 1999


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All dimensions in mm

DIA

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.8

1

1.25

1.5

1.75

2

2

2.5

2.5

2.5

3

3

3.5

3.5

4

4

4.5

4.5

5

5

Across Flat (S) Max

Min

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

7.64

9.64

12.57

15.57

17.57

20.16

23.16

26.16

29.16

33

35

40

45

49

53.8

58.8

63.1

68.1

73.1

78.1

Thickness (M) Max

Min

5.6

6.4

7.9

9.5

12.2

13.9

15.9

16.9

19

20.2

22.3

24.7

26.4

29.5

31.9

34.3

34.9

36.9

38.9

42.9

4.4

4.9

6.4

8.0

10.4

12.1

14.1

15.1

16.9

18.1

20.2

22.6

24.3

27.4

29.4

31.8

32.4

34.4

36.4

40.4

Across corners (E) Min

8.63

10.89

14.2

17.59

19.85

22.78

26.17

29.56

32.95

37.29

39.55

45.2

50.85

55.37

60.79

66.44

71.3

76.95

82.6

88.25

Minor Dia at thread (min)

4.134

4.917

6.647

8.376

10.106

11.835

13.835

15.294

17.294

19.294

20.752

23.752

26.211

29.211

31.67

34.67

37.129

40.129

42.587

46.587

Minor Dia at thread (max)

4.384

5.217

6.982

8.751

10.531

12.310

14.310

15.854

17.854

19.854

21.382

24.382

26.921

29.921

32.42

35.42

37.979

40.979

43.587

47.587

 

HEX NUTS IN BSW/BSF THREADS TO BS 916 THREADS TO BS 84

All dimensions in inches

DIA

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1 1/8

1 1/4

1 3/8

1 1/2

1 3/4

2

BSW Pitch (TPI)

20

18

16

14

12

12

11

10

9

8

7

7

-

6

5

4.5

BSF PITCH (TPI)

26

22

20

18

16

16

14

12

11

10

9

9

8

8

7

7

WIDTH Across Flat (S) Min

Max

0.435

0.515

0.585

0.695

0.800

0.900

0.985

1.175

1.270

1.450

1.640

1.815

2.005

2.175

2.520

2.700

0.445

0.525

0.600

0.710

0.820

0.920

1.010

1.200

1.300

1.480

1.670

1.860

2.050

2.220

2.580

2.760

Thickness (M) Min

Max

0.200

0.250

0.312

0.375

0.437

0.500

0.562

0.687

0.750

0.875

1.000

1.125

1.250

1.375

1.625

1.750

0.220

0.270

0.332

0.395

0.467

0.530

0.602

0.728

0.810

0.935

1.060

1.205

1.330

1.455

1.725

1.850

Across corners (Max inches)

0.51

0.61

0.69

0.82

0.95

1.06

1.17

1.39

1.50

1.71

1.93

2.15

2.37

2.56

2.98

3.19

Minor Dia at thread BSW  (min)

0.1860

0.2413

0.2950

0.3461

0.3932

0.4557

0.5086

0.6220

0.7328

0.8400

0.9420

1.0670

-

1.2866

1.4938

1.7154

Minor Dia at thread BSW  (max)

0.2030

0.2594

0.3145

0.3674

0.4169

0.4794

0.5338

0.6490

0.7620

0.8720

0.9776

1.1026

-

1.3269

1.5408

1.7668

Minor Dia at thread BSF  (min)

0.2008

0.2543

0.3110

0.3663

0.4200

0.4825

0.5336

0.6432

0.7586

0.8720

0.9828

1.1078

1.2150

1.3400

1.5670

1.8170

Minor Dia at thread BSF  (max)

0.2125

0.2684

0.3280

0.3844

0.4395

0.5020

0.5549

0.6669

0.7838

0.8990

1.0120

1.1370

1.2470

1.3720

1.6026

1.8526

 

 

HEX NUTS IN UNC/UNF THREADS TO BS 1768-1963 THREADS TO BS 1580

All dimensions in inches

DIA

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1 1/8

1 1/4

1 3/8

1 1/2

1 3/4

2

UNC Pitch (TPI)

20

18

16

14

13

12

11

10

9

8

7

7

6

6

5

4.5

UNF Pitch (TPI)

28

24

24

24

20

20

18

16

14

12

NOT RECOMMENDED

Width Across Flat (S) Min

Max

0.430

0.493

0.554

0.617

0.742

0.804

0.929

1.115

1.300

1.488

1.657

1.830

2.017

2.205

2.565

2.940

0.437

0.500

0.562

0.625

0.750

0.812

0.937

1.125

1.312

1.500

1.687

1.875

2.062

2.250

2.625

3.000

Thickness (M) Min

Max

0.214

0.261

0.323

0.370

0.432

0.479

0.542

0.631

0.740

0.844

0.949

1.037

1.147

1.251

1.470

1.684

0.224

0.271

0.333

0.380

0.442

0.489

0.552

0.651

0.760

0.874

0.989

1.087

1.197

1.311

1.530

1.754

Across corners (E) Max

0.505

0.577

0.650

0.722

0.866

0.938

1.083

1.300

1.515

1.732

1.948

2.165

2.382

2.598

3.031

3.464

Minor Dia at thread (min) UNC (2B)

0.1960

0.2520

0.3070

0.3600

0.4170

0.4720

0.5270

0.6420

0.7550

0.8650

0.9700

1.0950

1.1950

1.3200

1.5340

1.7590

Minor Dia at thread (max) UNC (2B)

0.2070

0.2650

0.3210

0.3760

0.4340

0.4900

0.5460

0.6630

0.7780

0.8900

0.9980

1.1230

1.2250

1.3500

1.5680

1.7950

Minor Dia at thread (min) UNF (2B)

0.2110

0.2670

0.3300

0.3830

0.4460

0.5020

0.5650

0.6820

0.7980

0.9100

NOT RECOMMENDED

Minor Dia at thread (max) UNF (2B)

0.2200

0.2770

0.3400

0.3950

0.4570

0.5150

0.5780

0.6960

0.8140

0.9280

 

HEX LOCK (THIN) NUTS TO IS 1364 (PART 4) 2003 ISO 4039 : 1999

Image description

 All dimensions in mm

DIA

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.8

1

1.25

1.5

1.75

2

2

2.5

2.5

2.5

3

3

3.5

3.5

4

4

4.5

4.5

5

5

Across Flat (S) Max

Min

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

7.78

9.78

12.73

15.73

17.73

20.67

23.67

26.16

29.16

33

35

40

45

49

53.8

58.8

63.1

68.1

73.1

78.1

Thickness (M) Max

Min

2.7

3.2

4

5

6

7

8

9

10

11

12

13.5

15

16.5

18

19.5

21

22.5

24

26

2.45

2.9

3.7

4.7

5.7

6.42

7.42

8.42

9.1

9.9

10.9

12.4

13.9

15.4

16.9

18.2

19.7

21.2

22.7

24.7

Across corners (E) Min

8.79

11.05

14.38

17.77

20.03

23.36

26.75

29.56

32.95

37.29

39.55

45.2

50.85

55.37

60.79

66.44

71.3

76.95

82.6

88.25

Minor Dia at thread (min)

4.134

4.917

6.647

8.376

10.106

11.835

13.835

15.294

17.294

19.294

20.752

23.752

26.211

29.211

31.67

34.67

37.129

40.129

42.587

46.587

Minor Dia at thread (max)

4.334

5.153

6.912

8.676

10.441

12.210

14.210

15.744

17.744

19.744

21.252

24.252

26.771

29.771

32.27

35.27

37.799

40.799

43.297

47.297

 

PIPE NUTS TO IS 3468/1991

Image description

All dimensions in mm

SIZE

G 1/8

G ¼

G 3/8

G ½

G 5/8

G ¾

G 7/8

G 1

G 1 1/8

G 1 ¼

G 1 ½

G 1 ¾

G 2

G 2 ¼

G 2 ½

G3

G4

G5

G6

TPI

28

19

19

14

14

14

14

11

11

11

11

11

11

11

11

11

11

11

11

Across Flat (S) Max

Min

18

21

27

34

34

36

41

46

50

55

60

70

75

85

95

105

135

165

190

17.57

20.16

26.16

33

33

35

40

45

49

53.8

58.8

68.1

73.1

82.8

92.8

102.8

132.5

162.5

185.4

Thickness (M) Max

Min

6

6

6

8

8

9

9

10

10

11

12

13

13

16

16

19

22

22

25

5.52

5.52

5.52

7.42

7.42

8.42

8.42

9.42

9.42

10.3

11.3

12.3

12.3

15.3

15.3

18.16

21.16

21.16

24.16

Across corners (E) Min

19.85

22.78

29.56

37.29

37.29

39.55

45.20

50.85

55.37

60.79

66.44

76.93

82.6

93.56

104.86

116.16

149.72

183.06

209.5

Minor Dia at thread (min)

8.566

11.445

14.950

18.631

20.587

24.117

27.877

30.291

34.939

38.952

44.845

50.788

56.656

62.752

72.226

84.926

110.072

135.472

160.872

Minor Dia at thread (max)

8.848

11.89

15.395

19.172

21.128

24.658

28.418

30.931

35.579

39.592

45.485

51.428

57.296

63.392

72.866

85.566

110.712

136.112

161.512

 

Square head Bolts/Screws and Nuts to IS 2585-2006

Image description

All dimensions in mm

DIA

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

Pitch

1

1.25

1.5

1.75

2

2.5

3

3.5

4

Head Across Flat (B)

Nom = Max

 

 Min

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

9.64

12.57

15.57

17.57

20.16

23.16

26.16

29.16

33

35

40

45

49

53.8

58.8

Head Height (C) Nom

 Tol  + or –

4

5.3

6.4

7.5

8.8

10

11.5

12.5

14

15

17

18.7

21

22.5

25

0.375

0.45

0.75

0.9

1.05

Square Nut Thickness m

                    

 

5

6.5

8

10

11

13

15

16

18

19

22

24

26

29

31

Tolerance +/-

0.38

0.45

0.55

0.65

0.80

Major Dia at thread (min)

5.720

7.665

9.625

11.575

13.55

15.55

17.47

19.47

21.47

23.40

26.40

29.33

32.33

35.25

38.25

Major Dia at thread (max)

5.974

7.972

9.968

11.966

13.962

15.962

17.958

19.958

21.958

23.952

26.952

29.947

32.947

35.94

38.94

Minor dia at thread of Nut min

4.917

6.647

8.376

10.106

11.835

13.835

15.294

17.294

19.294

20.752

23.752

26.211

29.211

31.67

34.67

Minor dia at thread of Nut max

5.217

6.982

8.751

10.531

12.310

14.310

15.854

17.854

19.854

21.382

24.382

26.921

29.921

32.42

35.42

 

Slotted and Castle Nuts precision grade to IS 2232/1967

Image description

All dimensions in mm

DIA

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.8

1

1.25

1.5

1.75

2

2

2.5

2.5

2.5

3

3

3.5

3.5

4

4

4.5

4.5

5

5

Dia of castle  portion d2 nom = max

Min

Not specified for castle nuts

17

19

22

25

28

30

34

38

42

46

50

55

58

62

65

70

16.57

18.48

21.48

24.48

27.48

29.48

33.38

37.38

41.38

45.38

49.38

54.26

57.26

61.26

64.26

69.26

Across Flat (S) Max

Min

8

10

13

17

19

22

24

27

30

32

36

41

46

50

55

60

65

70

75

80

7.85

9.78

12.73

16.73

18.73

21.67

23.67

26.67

29.67

31.61

35.38

40.38

45.38

49.38

54.26

59.26

64.26

69.26

74.26

79.26

Ht upto slot w nom = max

Min

4

5

6.5

8

10

11

13

15

16

18

19

22

24

26

29

31

34

36

38

42

3.52

4.52

5.02

7.42

9.42

10.3

12.3

14.3

15.3

17.3

18.16

21.16

23.16

25.16

28.16

30

33

35

37

41

Total height (m) Max

Min

6

7.5

9.5

12

15

16

19

21

22

26

27

30

33

35

38

40

46

48

50

54

5.7

7.14

9.14

11.57

14.57

15.57

18.48

20.48

21.48

25.48

26.48

29.48

32.38

34.38

37.38

39.38

45.38

47.38

49.38

53.26

Width of slot u min = nom

Max

1.4

2

2.5

2.8

3.5

4.5

5.5

7

9

1.65

2.25

2.75

3.05

3.8

4.8

5.8

7.36

9.36

Size of split pin

1.2

1.6

2

2.5

3.2

4

5

6.3

8

Minor Dia at thread (min)

4.134

4.917

6.647

8.376

10.106

11.835

13.835

15.294

17.294

19.294

20.752

23.752

26.211

29.211

31.67

34.67

37.129

40.129

42.587

46.587

Minor Dia at thread (max)

4.334

5.153

6.912

8.676

10.441

12.210

14.210

15.744

17.744

19.744

21.252

24.252

26.771

29.771

32.27

35.27

37.799

40.799

43.297

47.297

 

Slotted and Castle Nuts black grade to IS 2232/1967

All dimensions in mm

DIA

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

1.75

2

2

2.5

2.5

2.5

3

3

3.5

3.5

4

4

4.5

4.5

5

5

Dia of castle  portion d2 nom = max

Min

17

19

22

25

28

30

34

38

42

46

50

55

58

62

65

70

15.90

17.70

20.70

23.70

26.70

28.70

32.40

36.40

40.40

44.40

48.40

53.10

56.10

60.10

63.10

68.10

Across Flat (S) Max

Min

19

22

24

27

30

32

36

41

46

50

55

60

65

70

75

80

18.48

21.16

23.16

26.16

29.16

31

38

40

45

49

53.80

58.80

63.80

68.80

73.80

78.80

Ht upto slot w nom = max

Min

10

11

13

15

16

18

19

22

24

26

29

31

34

36

38

42

9.10

9.90

11.90

13.90

14.90

16.90

17.70

20.70

22.70

24.70

27.70

29.40

32.40

34.40

36.40

40.40

Total height (m) Nom

Tol + or -

15

16

19

21

22

26

27

30

33

35

38

40

46

48

50

54

0.45

0.65

0.80

0.95

Width of slot u  min = nom

Max

3.5

4.5

5.5

7

9

3.8

4.8

5.8

7.36

9.36

Size of split pin

3.2

4

5

6.3

8

Minor Dia at thread (min)

10.106

11.835

13.835

15.294

17.294

19.294

20.752

23.752

26.211

29.211

31.67

34.67

37.129

40.129

42.587

46.587

Minor Dia at thread (max)

10.441

12.210

14.210

15.744

17.744

19.744

21.252

24.252

26.771

29.771

32.27

35.27

37.799

40.799

43.297

47.297

 

Solid Rivets to IS 1929/1982 and IS 2155/1982

 

Image description
Image description
Image description

All dimensions in mm

 

Cold forged and as per IS 2155/1982

Hot forged and as per IS 1929/1982

Dia d Nom

Tol +

6

8

10

12

14

16

12

14

16

18

20

22

24

27

30

33

36

0.15

0.30

0.8

Snap Head Dia D Nom

Tol + or -

9.6

12.8

16

19.2

22.4

25.6

19.2

22.4

25.6

28.8

32.0

35.2

38.4

43.2

48

52.8

57.6

0.3

0.36

0.4

0.5

0.35

0.4

0.5

1.2

1.4

Snap Head Height H

4.2

5.6

7

8.4

9.6

11.2

8.4

9.8

11.2

12.6

14

15.4

16.8

18.9

21

23.1

25.2

Tol +

+/- 0.24

+/- 0.29

+/-0.35

+ 0.9

+ 1.1

+ 1.3

CSK Head Dia A Nom

12

16

20

24

21

24

18

21

24

27

30

33

36

40.5

45

49.5

54

Tol -

0.7

0.84

1.1

1.3

1.6

1.9

Flat Head Dia A Nom

12

16

20

24

28

32

24

28

32

36

40

44

48

54

60

66

72

Tol -

0.7

0.84

1

1.3

1.6

1.9

Flat Head height H nom=min

1.5

2

2.5

3

3.5

4

3

3.5

4

4.5

5

5.5

6

6.75

7.5

8.25

9

Tol +

0.4

0.5

0.6

0.6

0.75

0.9
                                           

 

Washers to IS 2016/67 TYPE A read with IS 5369/1975

Image description

All dimensions in mm

For Bolt Size

Nominal size = Inner Dia d

Tolerance for Inner dia

Outer Dia D Type A (for Bolts)

Outer Dia D Type B (for Screws)

Tolerance for Outer Dia  Type A

Thickness

Tolerance for thickness +/-

M1.6

1.8

+0.25

4

3.5

-

0.4

0.2

M1.8

2.1

5

3.5

-

M2

2.4

5

4.5

-

M2.2

2.6

6

4.5

-

0.5

M2.5

2.9

6.5

5

- 0.9

M3

3.4

+0.3

7

6

M3.5

4.0

8

7

0.8

M4

4.5

9

8

M4.5

5.0

10

9

- 1.1

1

M5

5.5

10

9.5

M6

6.6

+0.36

12.5

11

1.6

0.3

M7

7.6

14

13

M8

9

17

14

M10

11

+0.43

21

18

-1.3

2

M12

14

24

20

2.5

M14

16

28

24

M16

18

30

27

3.15

0.6

M18

20

+0.52

34

30

-1.6

M20

22

37

33

M22

24

39

Not specified

M24

26

44

4

M27

30

50

M30

33

+1

56

-1.9

M33

36

60

5

1

M36

39

66

M39

42

72

6

M42

45

78

M45

48

85

-2.2

8

1.2

M48

52

+1.2

92

 

Machined washers IS 2016/67 read with IS 5369/1975

All dimensions in mm

For Bolt Size

Nominal size = Inner Dia d

Tolerance for Inner dia

Outer Dia D

Tolerance for Outer Dia  

Thickness

Tolerance for thickness +/-

M1.6

1.7

+0.14

4

-0.3

0.3

0.1

M1.8

2.0

5

M2

2.2

5

M2.2

2.4

6

0.5

M2.5

2.7

6.5

M3

3.2

+0.18

7

M3.5

3.7

8

0.8

M4

4.3

9

M4.5

4.8

10

1

M5

5.3

10

M6

6.4

+0.22

12.5

-0.4

1.6

0.2

M7

7.4

14

M8

8.4

17

M10

10.5

+0.43

21

-0.5

2

M12

13

24

2.5

0.3

M14

15

28

M16

17

30

3

M18

19

+0.52

34

-0.8

M20

21

37

M22

23

39

M24

25

44

4

M27

28

50

M30

31

+0.62

56

-1.0

M33

34

60

5

0.6

M36

37

66

M39

40

72

6

M42

43

78

7

1.0

M45

46

85

-1.5

M48

50

92

8

M52

54

+0.74

98

M56

58

105

9

M60

62

110

M64

66

115

M68

70

120

10

M72

74

125

-1.8

M76

78

135

M80

82

+0.87

140

12

1.2

M85

87

145

M90

93

160

M95

98

165

M100

105

175

14

M105

110

180

M110

115

185

-2.0

M115

120

200

M120

125

+1.0

210

16

M125

130

220

M130

135

230

 

M140

145

240

 

18

M150

155

250

 

 



DIMENSION OF INCH WASHERS AS PER BS 3410 TABLE 7

Bolt dia

ID (d1)

OD (d2)

THICKNESS (S)

Inch

mm

mm

mm

1/4"

7.10

16.00

1.65

5/16"

8.70

19.00

2.00

3/8"

10.30

22.20

2.00

1/2"

14.30

28.60

2.80

5/8"

17.50

35.00

3.25

3/4"

20.60

41.30

3.65

7/8"

23.80

47.60

4.05

1"

27.00

54.00

4.50

1.1/8"

30.20

60.30

4.50

1.1/4"

34.90

66.70

4.90

1.1/2"

41.30

85.80

4.90

2"

54.00

105.00

5.40

 

Taper washers for channels as per IS 5372/1975 and for I beams as per IS 5374/1975


Image description
Image description

All dimensions in mm

Size (for bolt size)

M10

M12

M16

M20

M22

M24

M27

M30

M33

M36

M39

Nom dia d

11

14

18

22

24

26

30

33

36

39

42

Width (a)

22

26

32

40

44

56

56

62

68

75

80

Length (b) for IS 5372

22

26

32

40

44

56

62

68

75

80

Length (b) for IS 5374

30

36

44

50

Thickness at thinner edge c for IS 5372

2

2.5

3

3.5

4

Thickness at thicker edge s for IS 5372

4.3

5.7

6.8

8.1

9.2

9.9

9.9

10.5

11.2

11.9

12.4

Thickness at thinner edge c for IS 5374

1.5

2

2.5

3

Thickness at thicker edge s for IS 5374

4.6

6.2

7.6

9.2

10

10.8

11.7

12.6

13.6

14.2

Above dimensions are subject to tolerances as specified in IS 5369/1975