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CARBON STEEL 12.9 Fasteners


CARBON STEEL 12.9 Fasteners

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Laboratory Tested
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Specification :-

Specifications DIN, ISO ,JIS ,GB, IS, BS, ASTM
Standard ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472
Size M0.2 to M33 | 3/6" to 2" | Custom Sizes
Length 3 mm to 200 mm | Custom Sizes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Form Hex, Threading, Square, Round as per Gauge Etc.
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Threads available UNF, BSW, BSF, METRIC, UNC, or as required
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Test Certificate As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Packing IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Cadmium Coating
Hot Dipped Galvanizing Coating
Ptfe Coated
Phosphate Coating
Teflon Coating
Xylon Coating
Zinc Coating

Equivalent Grades

STANDARD WERKSTOFF NR. UNS
CARBON STEEL 12.9 - -

Chemical Composition

Grade C P S B
Carbon Steel 12.9 0.28-0.5 0.025 0.025 0.003

Mechanical Properties

Element Nominal thread diameter size range [mm] Proof strength [MPa] Yield strength (min) [MPa] Tensile strength (min) [MPa] Hardness [Rockwell]
Carbon Steel 12.9 1.6–100 970 1100 1220 C39–44

High Tensile Bolts Dimensions

 

 High Tensile Hex Bolt Dimension

**All measurements in millimeters**

DIA

M4

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.7

0.8

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

Grade A upto length

40

50

60

80

100

120

140

150

Grade A not applicable to these dia’s

Head Across Flat (S)

Nom = Max

Min

Grade A

Grade B

7

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

6.78

7.78

9.78

12.73

15.73

17.73

20.67

23.67

26.67

29.67

33.38

35.38

Grade A not applicable to these dia’s

6.64

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 –

Grade A

Grade B

2.8

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

0.125

0.15

0.18

0.215

Grade A not applicable to these dia’s

0.2

0.24

0.29

0.35

0.42

0.5

Across corners e Min

Grade A

Grade B

7.66

8.79

11.05

14.38

17.77

20.03

23.36

26.75

30.14

33.53

37.72

39.98

Grade A not applicable to these dia’s

7.5

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

14

16

18

22

26

30

34

38

42

46

50

54

60

66

Not specified as full thread recommended

20

22

24

28

32

36

40

44

48

52

56

60

66

72

78

84

90

96

102

108

116

33

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)

3.838

4.826

5.794

7.76

9.732

11.701

13.682

15.682

17.623

19.623

21.623

23.577

26.577

29.522

32.522

35.465

38.465

41.437

44.437

47.399

51.399

Major Dia at thread (max)

3.978

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

 

High Tensile Hex Bolts In Bsw/Bsf Threads To Bs 1083-1965

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

0.438

0.518

0.592

0.702

0.812

0.912

1.000

1.190

1.288

1.468

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) Min

Max

0.166

0.208

0.250

0.292

0.333

0.365

0.407

0.480

0.563

0.636

0.710

0.790

0.880

0.960

1.110

1.270

0.176

0.218

0.260

0.302

0.343

0.375

0.417

0.500

0.583

0.666

0.750

0.830

0.920

1.000

1.170

1.330

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)

0.2427

0.3046

0.3666

0.4285

0.4904

0.5527

0.6147

0.7390

0.8653

0.9897

1.1140

1.2388

1.4879

1.7369

1.9862

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)

0.2432

0.3051

0.3671

0.4290

0.4910

0.5533

0.6153

0.7394

0.8658

0.9902

1.1148

1.2395

1.3640

1.4888

1.7380

1.9876

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

 

High Tensile Hex Bolts 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

 

High Tensile Washers Dimensions

DIA

M16

M20

M22

M24

M27

M30

M36

HARDNESS FOR PL. WASHER

35 TO 45 HRC

Hardness for Hot Dip Galvd washer

26 HRC

Outer Dia (Max) d2

34

42

44

50

56

60

72

Inner Dia (Min) d1

18

22

24

26

30

33

39

Thickness (S)

3.1 TO 4.6

Tolerance for OD Minus(-)

1.6

1.9

Tolerance for ID Plus(+)

0.43

0.52

0.62

 

Hardened And Tempered Washers To Din 6916

All dimensions in mm

DIA

M12

M16

M20

M22

M24

M27

M30

M36

Weight in Kgs for 100 nos

0.703

1.46

1.96

2.43

3.06

5.02

6.32

11.50

Outer Dia (Max) d2

24

30

37

39

44

50

56

66

Inner Dia (Min) d1

13

17

21

23

25

28

31

37

Thickness (S)

3

4

4

4

4

5

5

6

Tolerance for OD Minus(-)

0.52

0.62

1

1.20

Tolerance for ID Plus(+)

0.27

0.33

0.52

0.62

Tolerance for thickness + or –

0.30

0.60

 

Dimensions of High Strength Nut

High Tensile  Hex Nuts Dimensions

**All measurements in millimeters**

DIA

M4

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.7

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

7

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

6.78

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

3.2

4.7

5.2

6.8

8.4

10.8

12.8

14.8

15.8

18

19.4

21.5

23.8

25.6

28.7

31

33.4

34

36

38

42

2.9

4.4

4.9

6.44

8.04

10.37

12.1

14.1

15.1

16.9

18.1

20.2

22.5

24.3

27.4

29.4

31.8

32.4

34.4

36.4

40.4

Across corners (E) Min

7.66

8.79

11.05

14.38

17.77

20.03

23.35

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)

3.242

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)

3.422

4.334

5.153

6.912

8.676

10.441

12.210

14.210

15.744

17.774

19.774

21.252

24.252

26.771

29.771

32.27

35.27

37.799

40.799

43.297

47.297

 

High Tensile Hex Nuts In Bsw/Bsf Threads To Bs 1083-1965 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

0.438

0.518

0.592

0.702

0.812

0.912

1.000

1.190

1.288

1.468

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

0.190

0.240

0.302

0.365

0.427

0.490

0.552

0.677

0.740

0.865

0.990

1.105

1.230

1.355

1.605

1.730

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

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

 

High Tensile 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

 

High Strength Friction Grip Hex Nuts In Mm Threads To Is 6623-1985 Grades 8s & 10s

All dimensions in mm

DIA

M16

M20

M22

M24

M27

M30

M36

Pitch

2

2.5

2.5

3

3

3.5

4

Head Across Flat (B) Min

26.16

33

35

40

45

49

58.8

Head Across Flat (B) Max

27

34

36

41

46

50

60

Height (H) Min

Max

16.4

19.4

22.3

22.9

26.3

29.1

35

17.1

20.7

23.6

24.2

27.6

30.7

36.6

Across corners C min

29.56

37.29

39.55

45.20

50.85

55.37

66.44

Minor Dia at thread (min)

14.235

17.694

19.694

21.202

24.252

26.761

32.270

Minor Dia at thread (max)

14.610

18.144

20.144

21.702

24.752

27.321

32.870

 

Dimensions of High Tensile Hex Screw

Dimensions of High Tensile Hex Screw

 

DIA

M4

M5

M6

M8

M10

M12

M14

M16

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M52

Pitch

0.7

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

Grade A upto length

40

50

60

80

100

120

140

150

Grade A not applicable to these dia’s

Head Across Flat (S) Max

Min(Grade A)

Min (Grade B)

7

8

10

13

16

18

21

24

27

30

34

36

41

46

50

55

60

65

70

75

80

6.78

7.78

9.78

12.73

15.73

17.73

20.67

23.67

26.67

29.67

33.38

35.38

Grade A not applicable to these dia’s

6.64

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 Thickness (K)

Tol + or – Grade A


Grade B

2.8

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

0.125

0.15

0.18

0.215

Grade A not applicable to these dia’s

0.2

0.24

0.29

0.35

0.42

0.5

Across corners e Min Grade A


Min Grade B

7.66

8.79

11.05

14.38

17.77

20.03

23.36

26.75

30.14

33.53

37.72

39.98

Grade A not applicable to these dia’s

7.5

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)

3.838

4.826

5.794

7.76

9.732

11.701

13.682

15.682

17.623

19.623

21.623

23.577

26.577

29.522

32.522

35.465

38.465

41.437

44.437

47.399

51.399

Major Dia at thread (max)

3.978

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

 

Size Chart of High Tensile Bolts

Size Chart of High Tensile Bolts


Applications and Uses

  • Chemical Industries
  • Oil & Gas Industrires
  • Power Plant Industries
  • Shipbuilding Industries
  • Fertilizer Industrires
  • Petrochemical Industrires
  • Sugar Industrires
  • Cement Industrires