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Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji

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  • Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji
  • Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji

Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji

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Our purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Pan Head Torx Bolt , Black Allen Key Bolts , Hex Head Cap Screws , We are sincerely on the lookout ahead to cooperate with buyers everywhere in the entire world. We imagine we will satisfy along with you. We also warmly welcome consumers to visit our manufacturing unit and purchase our items.
Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji Detail:

Description

QUICK Response

QUICK Quotation

QUICK Delivery

READY TO SHIP DELIVERY

10000+ SKU in warehouse

We Commit for RTS items:

70% items delivered within 5 days

80% items delivered within 7 days

90% items delivered within 10 days

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

About us

Yongnian Hongji
ce3
cer2
ce1
ce6
ce5
ce4

* The following diagram identifies the different trade incoterms. Please select the one you prefer.

Yongnian Hongji1

Product detail pictures:

Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

Wholesale Discount Self Drilling Screws - ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Size 1/2-13 – Hongji detail pictures

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Our mission is usually to turn into an innovative provider of high-tech digital and communication devices by furnishing benefit added design and style, world-class manufacturing, and service capabilities for Wholesale Discount Self Drilling Screws - 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: Wellington, Nepal, Latvia, Company name, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by ISO quality management standard strictly, creating top-ranking company by spirit of progress-marking honesty and optimism.
    • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Athena from United States - 2017.07.28 15:46
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Edwina from Greece - 2017.09.09 10:18
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