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Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji

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  • Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji

Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji

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Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji Detail:

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Bulk orders, please contact customer service

UNF Bolt 3

Please contact us for more information, such as the weight, the packing specification, the price list, and so on.

Dia/d

1/4

5/16

3/8

7/16

1/2

5/8

3/4

7/8

1

1-1/8

1-1/4

1-3/8

1-1/2

PP

UNC

20

18

16

14

13

11

10

9

8

7

7

6

6

UNF

28

24

24

20

20

18

16

14

12

12

12

12

12

8-UN

-

-

-

-

-

-

-

-

-

8

8

8

8

ds

max

0.26

0.324

0.388

0.452

0.515

0.642

0.768

0.895

1.022

1.149

1.277

1.404

1.531

min

0.237

0.298

0.36

0.421

0.482

0.605

0.729

0.852

0.976

1.098

1.223

1.345

1.47

s

max

0.438

0.5

0.562

0.625

0.75

0.938

1.125

1.312

1.5

1.688

1.875

2.062

2.25

min

0.425

0.484

0.544

0.603

0.725

0.906

1.088

1.269

1.45

1.631

1.812

1.994

2.175

e

max

0.505

0.577

0.65

0.722

0.866

1.083

1.299

1.516

1.732

1.949

2.165

2.382

2.598

min

0.484

0.552

0.62

0.687

0.826

1.033

1.24

1.447

1.653

1.859

2.066

2.273

2.48

k

max

0.188

0.235

0.268

0.316

0.364

0.444

0.524

0.604

0.7

0.78

0.876

0.94

1.036

min

0.15

0.195

0.226

0.272

0.302

0.378

0.455

0.531

0.591

0.658

0.749

0.81

0.902

r

max

0.03

0.03

0.03

0.03

0.03

0.06

0.06

0.06

0.09

0.09

0.09

0.09

0.09

min

0.01

0.01

0.01

0.01

0.01

0.02

0.02

0.02

0.03

0.03

0.03

0.03

0.03

b

L≤6

0.75

0.875

1

1.125

1.25

1.5

1.75

2

2.25

2.5

2.75

3

3.25

L＞6

1

1.125

1.25

1.375

1.5

1.75

2

2.25

2.5

2.75

3

3.25

3.5

Dia/d

1-5/8

1-3/4

1-7/8

2

2-1/4

2-1/2

2-3/4

3

3-1/4

3-1/2

3-3/4

4

PP

UNC

-

5

-

4-1/2

4-1/2

4

4

4

4

4

4

4

UNF

-

-

-

-

-

-

-

-

-

-

-

-

8-UN

8

8

8

8

8

8

8

8

8

8

8

8

ds

max

1.658

1.785

1.912

2.039

2.305

2.559

2.827

3.081

3.335

3.589

3.858

4.111

min

1.591

1.716

1.839

1.964

2.214

2.461

2.711

2.961

3.21

3.461

3.726

3.975

s

max

2.438

2.625

2.812

3

3.375

3.75

4.125

4.5

4.875

5.25

5.625

6

min

2.356

2.538

2.719

2.9

3.262

3.625

3.988

4.35

4.712

5.075

5.437

5.8

e

max

2.815

3.031

3.248

3.464

3.897

4.33

4.763

5.196

5.629

6.062

6.495

6.928

min

2.616

2.893

3.099

3.306

3.719

4.133

4.546

4.959

5.372

5.786

6.198

6.612

k

max

1.116

1.196

1.276

1.388

1.548

1.708

1.869

2.06

2.251

2.38

2.572

2.764

min

0.978

1.054

1.13

1.175

1.327

1.479

1.632

1.815

1.936

2.057

2.241

2.424

r

max

0.09

0.12

0.12

0.12

0.19

0.19

0.19

0.19

0.19

0.19

0.19

0.19

min

0.03

0.04

0.04

0.04

0.06

0.06

0.06

0.06

0.06

0.06

0.06

0.06

b

L≤6

3.5

3.75

4

4.25

4.75

5.25

5.75

6.25

6.75

7.25

7.75

8.25

L＞6

3.75

4

4.25

4.5

5

5.5

6

6.5

7

7.5

8

8.5

Detail drawing

UNF Bolt 4
UNF Bolt 5
UNF Bolt 9
UNF Bolt 6
UNF Bolt 7
UNF Bolt 10

What does the “UNC” meaning?

UNC refers to the coarse thread in the United States unified thread UN series (optional external thread root radius).

What”s the Black Oxide surface treatment?

Black oxide, a common means of chemical surface treatment. Black oxide is a common method of chemical surface treatment. The principle is to produce an oxide film on the metal surface to isolate the air and achieve the purpose of rust prevention. When the appearance requirements are not high, blackening can be used, and the surface of steel parts is blackened, which is also called blue.

The commonly used methods of black oxide treatment include traditional alkaline heating blackening and room temperature blackening which occurs later. However, the blackening process at room temperature is not very effective for low carbon steel. Alkaline blackening is subdivided, and there is a difference between once blackening and twice blackening. The main components of blackening liquid are sodium hydroxide and sodium nitrite. The temperature difference required for blackening is not large, and a good surface can be obtained between 135-155 °C, but the time required is a little long.

Packing

Packaging and delivery
Packaging and delivery1
Packaging and delivery2
Packaging and deliver3
Packaging and delivery4
Packaging and delivery3
UNF Bolt 11

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Product detail pictures:

Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Related Product Guide:
We emphasize progress and introduce new merchandise into the market each and every year for Free sample for M8 Stainless Steel Bolts - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji , The product will supply to all over the world, such as: Barbados, Afghanistan, Liverpool, The president and all the company members would like to provide qualified goods and services for customers and sincerely welcome and cooperate with all native and foreign customers for a bright future.
    • Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Evangeline from Ireland - 2018.09.29 17:23
    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
    5 Stars By Grace from Georgia - 2018.11.06 10:04
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