Grades

• Copper Nickel Cu-Ni 90/10 - (UNS C70600)
• Cu-Ni 70/30 - (UNS C71500)

Standard specification

ASTM / ASME SB 151/ SB 152

UNS C71500 Fasteners Sizes

• Cold Forming Cuni fasteners: M2-M24
• Hot Forging Cuni fasteners: M24-M100, 1-1/2” Dia, up to 1100mm lg
• CNC Machining Cuni fasteners for M100 / 4” Dia, up to 1500mm lg

Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Copper Nickel Fasteners

Copper Nickel UNS C71500 Bolts Size Metric

• Dia: M10 - M110
• Length: 12 - 1200MM

Copper Nickel Hex Bolts Size Inch

• Dia: 1/2" - 4.0"
• Length: 1/2" - 52"

Copper Nickel Fasteners Length

3 mm to 200 mm

90/10 Cuni Bolts & Screws US Threads

Unified National Coarse (UNC), Unified national extra fine (UNEF), METRIC, UNJF, BSW, UNR, BSF, UNJC, Constant-pitch threads, Unified national fine (UNF), UNK

Copper Nickel Bolts Head drive

Phillips/Slot, Phillips, Slotted, Six-Lobe, etc

Material Origin

Copper Nickel Fasteners are Western European. Eastern origin possible on request.

Other Copper Nickel Fasteners manufacturers

Omni, APL, Kundan, Deepak Fasteners, Unbrako, Sundaram Precision, Infasco, Caparo, EBY Fastener, SPAX® Screws, GKW Etc.

Cuni 90/10 Fasteners types

Socket Screw, Structural Bolts, Hex Set Screw, T-Head Bolts, Pan Head Screw, U Bolts, Screws, Anchor Bolt, Hex Nut, Washers, Foundation Bolts, Bolts, Anchors, Hex Coupling Nut, Hexagon Nut, Allen Cap screw, Studs, Sockets, Stud Bolts, Square Nut, Spring Washers, Hex Domed Cap Nuts, Machine Screw, Eye Bolt, Studs, Wing Screw, Socket Head Cap Screw, Marine Anchors, Nuts, Wing Screw, Socket Hexagon Head Screw, Hex Head Bolts, Nut, Cap Screw, J Bolts, Screw, Mushroom Head Square Neck Bolts

Why Parmanu Dhatu Nigam?

• An Indian manufacturer of Cupro Nickel Fasteners, established in Year 2008
• Wide International network : Western and Eastern Europe, Middle East, Southeast Asia, North America, and South America
• Best Price in India compared to Copper Nickel Fasteners manufacturers in China
• Pre-production 70/30 Copper Nickel Fasteners sample before mass production

MOQ

5 pieces

Payment Terms

T/T, Western Union, Paypal, L/C or Trade Assurance 30% deposit & balance before shipping

Ask for Test Certificates from Copper Nickel Fasteners manufacturers

• Manufacturer Test Certificate (MTC) as per EN 10204 / 3.1,
• Copper Nickel UNS C71500 Bolts Tensile testing to ISO 898-1
• Hardness testing to ISO 6508-1
• All Bolting material Suitability for preloading to EN 14399-2
• Cuni 90/10 Bolts Charpy Impact testing in accordance with ISO 148-1
• Calibrated gauges and tools and Suitability test for calibrated preload to EN 14399-10
• Nut proof load testing to ISO 898-2 and Tri-Roll Thread Comparators

Free Samples

Yes

Delivery time

Regular product is about 7-15 days

Find our dealers & distributors of Copper Nickel Fasteners

Dhaka, Thiruvananthapuram, Khobar, Gujarat, Courbevoie, Bhubaneswar, Jaipur, Howrah, Vung Granada, Perth, Pune, Mysuru, Vadodara, Mumbai, Kochi, Patna, Janeiro, Ankara, Mexico, Coimbatore, Bengaluru, Noida, Muscat, Brisbane, Vapi, Kolkata, Indore, Ludhiana, Jamshedpur, Lagos, Sydney, Jakarta, London, Pimpri-Chinchwad, Bogota, Surat, Ahmedabad, Agra, Gurgaon, Bangalore, Seoul, Calgary, Melbourne, Kuala Lumpur, Manama, Montreal, Dubai, Baroda, Tehran, Gimhae-si, Singapore, Karachi, Ranchi, Ernakulam, India, Hyderabad, Nashik, Shah Alam, Ahvaz, Panipat, Houston, Istanbul, Doha, Chennai, Abu Dhabi, New Delhi, Sharjah, Tau, Dammam, Rajkot, Thane, Nagpur, Lucknow, Kuwait, Navi Mumbai, Riyadh, Santiago, Kanpur, Caracas, Port-of-Spain

Port of Dispatch

Mumbai or Kalamboli ports in Maharashtra state of India

Standard

Manufacturer of Copper Nickel Fasteners as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards

• ANSI B 18.2.4 2M
• German DIN
• ANSI B 28.2.4 1M
• ANSI - American National Standards Institute
• American SAE
• American ASME
• Indian IS
• International ISO
• European EU
• Polish PN
• Spanish CSN
• British BS
• Italian UNI
• GB/T5783, GB/T5782, GB5783

ISO - International Organization for Standardization

• ISO 4014 Hex Bolt
• ISO 4017 Hex Head Screw
• ISO 4032 Nut
• ISO 4162 Flange Bolts
• ISO 4161 Flange Nut

 1/2

 0.515

 7/8

  0.875

  0.850

 1.010

 0.969

 11/32

 0.364

 0.302

 5/8

 0.642

 1-1/16

  1.062

  1.031

 1.227

 1.175

 27/64

 0.444

 0.378

 3/4

 0.768

 1-1/4

  1.250

  1.212

 1.443

 1.383

 1/2

 0.524

 0.455

 7/8

 0.895

 1-7/16

  1.438

  1.394

 1.660

 1.589

 37/64

 0.604

 0.531

 1

 1.022

 1-5/8

 1.625

 1.575

 1.876

 1.796

 43/64

 0.700

 0.591

 1-1/8

 1.149

 1-13/16

 1.812

 1.756

 2.093

 2.002

 3/4

 0.780

 0.658

 1-1/4

 1.277

 2

 2.00

 1.938

 2.309

 2.209

 27/32

 0.876

 0.749

 1-3/8

 1.404

 2-3/16

 2.188

 2.119

 2.526

 2.416

 29/32

 0.940

 0.810

 1-1/2

 1.531

 2-3/8

 2.375

 2.300

 2.742

 2.622

 1

 1.036

 0.902

 1-3/4

 1.785

 2-3/4

 2.750

 2.662

 3.175

 3.035

 1-5/32

 1.196

 1.054

 2

 2.039

 3-1/8

 3.125

 3.025

 3.608

 3.449

 1-11/32

 1.388

 1.175

 2-1/4

 2.305

 3-1/2

 3.500

 3.388

 4.041

 3.862

 1-1/2

 1.548

 1.327

 2-1/2

 2.559

 3-7/8

 3.875

 3.750

 4.474

 4.275

 1-21/32

 1.708

 1.479

ISO UNS C71500 Hex Nut NB

Across Corners

MAX Thickness

Minimum Thickness

MAX Across Flats

Minimum Across Flats

M 8

14.38

6.8

6.44

13

12.73

M 10

17.77

8.4

8.04

16

15.73

M 12

20.03

10.8

10.37

18

17.73

M 14

23.35

12.8

12.1

21

20.67

M 16

26.75

14.8

14.1

24

23.67

M 18

29.56

15.8

15.1

27

26.16

M 20

32.95

18

16.9

30

29.16

M 22

37.29

19.4

18.1

34

33

M 24

39.55

21.5

20.2

36

35

M 27

45.2

23.8

22.5

41

40

M 30

50.85

26.6

24.3

46

45

M 33

55.37

28.7

27.4

50

49

M 36

60.79

31

29.4

55

53.8

M 39

66.44

33.4

31.8

60

58.8

M 42

71.3

34

32.4

65

63.1

M 45

76.95

36

34.4

70

68.1

M 48

82.6

38

39.4

75

73.1

M 52

88.25

42

40.4

80

78.1

M 56

93.56

45

43.4

85

82.8

M 60

99.21

48

46.4

90

87.8

M 64

104.86

51

49.1

95

92.8

M 68

110.51

54

52.1

100

97.8

M 72 x 6

116.16

58

56.1

105

102.8

M 76 x 6

121.81

61

59.1

110

107.8

M 80 x 6

127.46

64

62.1

115

112.8

Copper Nickel UNS C71500 Bolt Size

USS washer

SAE washer

OD (in.)

ID (in.)

Thickness

OD (in.)

ID (in.)

Thickness

1/8 (#6)

-

-

-

0.375

0.156

.036/.065

5/32 (#8)

-

-

-

0.438

0.188

.036/.065

3/16 (#10)

0.560

0.250

.036/.065

0.500

0.220

.036/.065

7/32 (#12)

-

-

-

0.562

0.250

.051/.080

1/4 (#14)

0.734

0.312

.051/.080

0.625

0.281

.051/.080

5/16

0.875

0.375

.064/.104

0.688

0.344

.051/.080

3/8

1.000

0.438

.064/.104

0.812

0.406

.051/.080

7/16

1.250

0.500

.064/.104

0.922

0.469

.051/.080

1/2

1.375

0.562

.086/.132

1.062

0.531

.074/.121

9/16

1.469

0.625

.086/.132

1.156

0.594

.074/.121

5/8

1.750

0.688

.108/.160

1.312

0.656

.074/.121

3/4

2.000

0.812

.122/.177

1.469

0.812

.108/.160

7/8

2.250

0.938

.136/.192

1.750

0.938

.108/.160

1

2.500

1.062

.136/.192

2.000

1.062

.108/.160

1 1/8

2.750

1.250

.136/.192

2.250

1.250

.108/.160

1 1/4

3.000

1.375

.136/.192

2.500

1.375

.136/.192

1 3/8

3.250

1.500

.153/.213

2.750

1.500

.136/.213

1 1/2

3.500

1.625

.153/.213

3.000

1.625

.153/.213

1 5/8

3.750

1.750

.153/.213

-

-

-

1 3/4

4.000

1.875

.153/.213

-

-

-

1 7/8

4.250

2.000

.153/.213

-

-

-

2

4.500

2.125

.153/.213

-

-

-

2 1/4

4.750

2.375

.193/.248

-

-

-

2 1/2

5.000

2.625

.210/.280

-

-

-

2 3/4

5.250

2.875

.228/.310

-

-

-

3

5.500

3.125

.249/.327

-

-

-

Copper Nickel UNS C71500 Screw Nom. Size Thread Pitch

Body
 Dia.
 D

Head
 Dia.
 A

Bolt Head
 Height
 H

Chamfer
 or
 Radius
 S

Hexagon
 Socket
 Size
 J

Spline
 Socket
 Sizea
 M

Key
 Engagement
 T

Transition
 Dia.
 B

Max

Min

Max

Min

Max

Min

Max

Nom.

Nom.

Min

Max

M1.6 × 0.35

1.60

1.46

3.00

2.87

1.60

1.52

0.16

1.5

1.829

0.80

2.0

M2 × 0.4

2.00

1.86

3.80

3.65

2.00

1.91

0.20

1.5

1.829

1.00

2.6

M2.5 × 0.45

2.50

2.36

4.50

4.33

2.50

2.40

0.25

2.0

2.438

1.25

3.1

M3 × 0.5

3.00

2.86

5.50

5.32

3.00

2.89

0.30

2.5

2.819

1.50

3.6

M4 × 0.7

4.00

3.82

7.00

6.80

4.00

3.88

0.40

3.0

3.378

2.00

4.7

M5 × 0.8

5.00

4.82

8.50

8.27

5.00

4.86

0.50

4.0

4.648

2.50

5.7

M6 × 1

6.00

5.82

10.00

9.74

6.00

5.85

0.60

5.0

5.486

3.00

6.8

M8 × 1.25

8.00

7.78

13.00

12.70

8.00

7.83

0.80

6.0

7.391

4.00

9.2

M10 × 1.5

10.00

9.78

16.00

15.67

10.00

9.81

1.00

8.0

…

5.00

11.2

M12 × 1.75

12.00

11.73

18.00

17.63

12.00

11.79

1.20

10.0

…

6.00

14.2

M14 × 2b

14.00

13.73

21.00

20.60

14.00

13.77

1.40

12.0

…

7.00

16.2

M16 × 2

16.00

15.73

24.00

23.58

16.00

15.76

1.60

14.0

…

8.00

18.2

M20 × 2.5

20.00

19.67

30.00

29.53

20.00

19.73

2.00

17.0

…

10.00

22.4

M24 × 3

24.00

23.67

36.00

35.48

24.00

23.70

2.40

19.0

…

12.00

26.4

M30 × 3.5

30.00

29.67

45.00

44.42

30.00

29.67

3.00

22.0

…

15.00

33.4

M36 × 4

36.00

35.61

54.00

53.37

36.00

35.64

3.60

27.0

…

18.00

39.4

M42 × 4.5

42.00

41.61

63.00

62.31

42.00

41.61

4.20

32.0

…

21.00

45.6

M48 × 5

48.00

47.61

72.00

71.27

48.00

47.58

4.80

36.0

…

24.00

52.6

Nominal or Basic Major Diameter of Nut Thread

UNS C71500 Nuts Width Across Flats (F)

Width Across Corners (G)

Thickness of Copper Nickel UNS C71500 Hex Nuts (H) 

Basic

Max

Min

 Max

 Min

Basic

 Max

Min 

1/4

0.2500

7/16

.438

.428

.505

.488

7/32

0.226

0.212

5/16

0.3125

1/2

.500

.489

.577

.557

17/64

0.273

0.258

3/8

0.3750

9/16

.562

.551

.650

.628

21/64

0.337

0.320

7/16

0.4375

11/16

.688

.675

.794

.768

3/8

0.385

0.365

1/2

0.5000

3/4

.750

.736

.866

.840

7/16

0.448

0.427

9/16

0.5625

7/8

.875

.861

1.010

.982

31/64

0.496

0.473

5/8

0.6250

15/16

.938

.922

1.083

1.051

35/64

0.559

0.535

3/4

0.7500

1-1/8

1.125

1.088

1.299

1.240

41/64

0.665

0.617

7/8

0.8750

1-5/16

1.312

1.269

1.516

1.447

3/4

0.776

0.724

1

1.0000

1-1/2

1.500

1.450

1.732

1.653

55/64

0.887

0.831

1-1/8

1.1250

1-11/16

1.688

1.631

1.949

1.859

31/32

0.999

0.939

1-1/4

1.2500

1-7/8

1.875

1.812

2.165

2.066

1-1/16

1.094

1.030

1-3/8

1.3750

2-1/16

2.062

1.994

2.382

2.273

1-11/64

1.206

1.138

1-1/2

1.5000

2-1/4

2.250

2.175

2.598

2.480

1-9/32

1.317

1.245

1-5/8

1.6250

2-7/16

2.438

2.356

2.815

2.686

1-25/64

1.429

1.353

1-3/4

1.7500

2-5/8

2.625

2.538

3.031

2.893

1-1/2

1.540

1.460

2

2.000

 3

3.000

2.900

3.464

3.306

1-23/32

1.763

1.675

2-1/4

2.2500

3-3/8

3.375

3.263

3.897

3.719

1-15/16

1.986

1.890

2-1/2

2.5000

3-3/4

3.750

3.625

4.330

4.133

2-5/32

2.209

2.105

2-3/4

2.7500

4-1/8

4.125

3.988

4.763

4.456

2-3/8

2.431

2.319

3

3.000

4-1/2

4.500

4.350

5.196

4.959

2-19/32

2.654

2.534

90/10 Cuni Screw Size

Body Dia

Hex Key Size

Head Height

Head Dia

Maximum Thread Length

Minimum Thread Length

No. 0

0.06

0.05

0.06

0.096

 5/8

 3/8

No. 1

0.073

1/16

0.073

0.118

 7/8

 3/8

No. 2

0.086

 5/64

0.086

0.14

 7/8

 1/2

No. 3

0.099

 5/64

0.099

0.161

 7/8

 1/2

No. 4

0.112

 3/32

0.112

0.183

 11/8

 11/16

No. 5

0.125

 3/32

0.125

0.205

1

 11/16

No. 6

0.138

 7/64

0.138

0.226

 11/8

 11/16

No. 8

0.164

 9/64

0.164

0.27

 11/4

 3/4

No. 10

0.19

 5/32

0.19

0.312

 13/8

 15/16

No. 12

0.216

 5/32

0.216

0.345

 11/4

 15/16

1/4

0.250

 3/16

1/4

3/8

 11/2

 15/16

5/16

0.3125

1/4

5/16

15/32

1-3/4

1-1/16

3/8

0.375

5/16

3/8

9/16

2

1-3/16

7/16

0.438

3/8

7/16

21/32

2-1/4

13/16

1/2

0.500

3/8

1/2

3/4

2-1/2

1-3/8

9/16

0.5625

7/16

9/16

27/32

2-7/16

1-5/8

5/8

0.625

1/2

5/8

15/16

3

1-5/8

3/4

0.750

5/8

3/4

11/8

3-1/2

1-7/8

7/8

0.875

3/4

7/8

15/16

3-3/4

2-1/16

1

1.000

3/4

1

11/2

4-1/2

2-1/4

1-1/8

1.125

7/8

1-1/8

111/16

4-21/32

2-13/16

1-1/4

1.250

7/8

1-1/4

17/8

5-3/32

3-1/8

1-1/2

1.500

1

1-1/2

21/4

6-5/64

3-3/4

1-3/4

1.750

11/4

1-3/4

25/8

7-1/8

4-3/8

2

2.000

11/2

2

3

8-7/64

5

UNS C71500 SAE Flat Washers

Size

Inside Diameter

Outside Diameter

Thickness

#2

3/32"

1/4"

.020"

#4

1/8"

5/16"

1/32"

#6

5/32"

3/8"

3/64"

#8

3/16"

7/16"

3/64"

#10

7/32"

1/2"

3/64"

1/4

9/32"

5/8"

1/16"

5/16

11/32"

11/16"

1/16"

3/8

13/32"

13/16"

1/16"

7/16

15/32"

59/64"

1/16"

1/2

17/32"

1-1/16"

3/32"

9/16

19/32"

1-3/16"

3/32"

5/8

21/32"

1-5/16"

3/32"

3/4

13/16"

1-1/2"

9/64"

7/8

15/16"

1-3/4"

9/64"

1"

1-1/16"

2"

9/64"

1-1/8

1-3/16"

2-1/4"

9/64"

1-1/4

1-5/16"

2-1/2"

5/32"

1-1/2

1-7/16"

3"

3/16"

1-5/8

1-3/4"

3-3/4"

3/16"

1-3/4

1-7/8"

4"

3/16"

2

2-1/8"

4-1/2"

3/16"

Nominal or Basic Product Diameter

E

F

G

H

J

LT (Thread Length)

Y

Body Diameter

Width Across Flats

Width Across Corners

Head Height

Wrenching Height

For Screw Lengths

For Screw Lengths

Transition Thread Length

1/4

0.25

0.25

0.245

7/16

0.438

0.428

0.505

0.488

5/32

0.163

0.150

0.106

0.750

1.000

0.250

5/16

0.3125

0.3125

0.3065

1/2

0.500

0.489

0.577

0.557

13/64

0.211

0.195

0.140

0.875

1.125

0.278

3/8

0.375

0.375

0.369

9/16

0.562

0.551

0.650

0.628

15/64

0.243

0.226

0.160

1.000

1.250

0.312

7/16

0.4375

0.4375

0.4305

5/8

0.625

0.612

0.722

0.698

9/32

0.291

0.272

0.195

1.125

1.375

0.357

1/2

0.5

0.5

0.493

3/4

0.750

0.736

0.866

0.840

5/16

0.323

0.302

0.215

1.250

1.500

0.385

9/16

0.5625

0.5625

0.5545

13/16

0.812

0.798

0.938

0.910

23/64

0.371

0.348

0.250

1.375

1.625

0.417

5/8

0.625

0.625

0.617

15/16

0.938

0.922

1.083

1.051

25/64

0.403

0.378

0.269

1.500

1.750

0.455

3/4

0.75

0.75

0.741

1-1/8

1.125

1.100

1.299

1.254

15/32

0.483

0.455

0.324

1.750

2.000

0.500

7/8

0.875

0.875

0.866

1-5/16

1.312

1.285

1.516

1.465

35/64

0.563

0.531

0.378

2.000

2.250

0.556

1

1

1

0.99

1-1/2

1.500

1.469

1.732

1.675

39/64

0.627

0.591

0.416

2.250

2.500

0.625

1-1/8

1.125

1.125

1.114

1-11/16

1.688

1.631

1.949

1.859

11/16

0.718

0.658

0.461

2.500

2.750

0.714

1-1/4

1.25

1.25

1.239

1-7/8

1.875

1.812

2.165

2.066

25/32

0.813

0.749

0.530

2.750

3.000

0.714

1-1/2

1.5

1.5

1.488

2-1/4

2.250

2.175

2.598

2.480

15/16

0.974

0.902

0.640

3.250

3.500

0.833

Grade of fasteners

Cu

Mn

Ni

Pb

Fe

Zn

Cu-Ni 90-10

88.6 min

1.0 max

9-11 max

.05 max

1.8 max

1 max

Element

Density

Melting Point

Tensile Stress

Yield Strength (0.2%Offset)

Elongation

Copper Nickel 90-10 Fasteners

0.323 lb/in3 at 68 F

2260 F

50000 psi

20000 psi

30 %

STANDARD

WERKSTOFF NR.

UNS

90/10

2.0872

C70600

70/30

2.0882

C71500

Products

FOB Price US $

UNS C71500 Copper Nickel Stud Bolts With 2 Heavy Hex Nuts (size 5/8 X 100mm Long and Fully Threaded)

US $ 15.85

ASTM B151 Cap Screw

Japan, Europe, Indonesia, Romania, Poland

Cu-Ni 90/10 Square Bolt

Malaysia, Taiwan, Philippines, Los Alamos -Mexico

CU-NI 90/10 FLANGE BOLTS

Singapore, Bahrain, South Africa,New Zealand, Indonesia

Copper Nickel Fasteners

Germany, Czechia, Vietnam, Thailand, Malaysia

90/10 Copper Nickel Fasteners and Nut Bolt

Indonesia, Philippines, Dammam -KSA, Belgium

ASTM B151 Cu-Ni 90/10 Concrete Screws

Malaysia, Singapore, South Korea, NY 12203 (USA)

Cu-Ni 90/10 Stud Bolt with nut

Canada, Portugal, Ellington -United States, UK

Head Hex Bolts Cu-Ni 90/10 

France, Malaysia, Thailand, Qatar, Europe, UAE

ASTM B151 Cupro Nickel 90/10 Dome Nut

Philippines, Malaysia, Canada, Singapore

Copper Nickel 90/10 Bolts And Nuts

USA, Malaysia, Jordan, Bangladesh, Finland

ASTM B151 CU 90/10 Screws

Saudi Arabia (KSA), Kuwait, South Africa, Brazil

CUNI 90/10 SOCKET SET SCREW

UAE, Australia, UK, Dubai, Philippines, Nigeria

Copper Nickel 90/10 Socket Head Screw

Turkey, United Arab Emirates (UAE), Norway

UNS C71500 Copper Nickel 90/10 Panel Screw

Malaysia, Russia, Netherlands, Oman, Singapore

CuNi 90/10 Eye Nut

Spain, Vietnam, Egypt, Mexico, Hungary, Malaysia, UK

90/10 Cuni Nuts

Colombia, Peru, Denmark, Greece, Sweden, Malaysia, Dubai, China

Copper Nickel 90/10 Lock Washer

Malaysia, Austria, Hong Kong, Argentina, UAE

Cupro Nickel 90/10 Flat Washer

Italy, Chile, Iran, Malaysia, Jakarta - Indonesia, Singapore

Cu-Ni 90/10 Hex Head Nut

Europe, United Kingdom -UK, Morocco, Malaysia