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Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide – Hongji

Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide – Hongji

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The company upholds the philosophy of "Be No.1 in quality, be rooted on credit and trustworthiness for growth", will continue to serve old and new customers from home and overseas whole-heatedly for Stainless Hex Bolts A2-70 , Socket Bolt , M10 X 50mm Bolts , Base on the business concept of Quality first, we would like to meet more and more friends in the word and we hope provide the best product and service to you.
Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide – 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

ISO7380 Hex Socket Pan Head Screw Grade7
ISO7380 Hex Socket Pan Head Screw Grade8

d

M3

M4

M5

M6

M8

M10

M12

M16

P

Pitch

0.5

0.7

0.8

1

1.25

1.5

1.75

2

a

Max

1

1.4

1.6

2

2.5

3

3.5

4

Min

0.5

0.7

0.8

1

1.25

1.5

1.75

2

dk

Max

5.7

7.6

9.5

10.5

14

17.5

21

28

Min

5.4

7.24

9.14

10.07

13.57

17.07

20.48

27.48

e

Min

2.303

2.873

3.443

4.583

5.723

6.863

9.149

11.429

k

Max

1.65

2.2

2.75

3.3

4.4

5.5

6.6

8.8

Min

1.4

1.95

2.5

3

4.1

5.2

6.24

8.44

s

Nominal

2

2.5

3

4

5

6

8

10

Max

2.08

2.58

3.08

4.095

5.14

6.14

8.175

10.175

Min

2.02

2.52

3.02

4.02

5.02

6.02

8.025

10.025

t

Min

1.04

1.3

1.56

2.08

2.6

3.12

4.16

5.2

Minimum tension load(N) 

8.8Grade

3220

5620

9080

12900

23400

37100

53900

100000

10.9Grade

4180

7300

11800

16700

30500

48200

70200

130000

12.9Grade

4910

8506

13800

19600

35700

56600

82400

154000

Detail drawing

ISO7380 Hex Socket Pan Head Screw Grade10
ISO7380 Hex Socket Pan Head Screw Grade9

There are many types of screws, one is called hexagon socket screws. When purchasing, the salesperson will also ask you which type to choose. Originally, there are many classifications of hexagon socket screws.

There are several types of hexagon socket screws
1. There is a type of hexagon socket screw called pan head. After the screw is installed, its head protrudes on the surface, which makes it more convenient to screw the screw later. This product can be seen on some household appliances.

2.There are countersunk head hexagon socket screws, which means that it will not protrude from the surface after screwing, and it will not affect the appearance. However, if there is a problem that is difficult to screw when screwing, the screw cannot be started.

3.There are also cylindrical head hexagon socket screws, which are similar to the second type of screws. They are relatively strong and require a wrench of the corresponding specification to remove the screws. Generally speaking, they are used on machine tools.

The screw is rusted and can’t be unscrewed, what should I do?
In life, many friends have encountered similar problems. Once the screws are rusted, no matter how much effort is used, they cannot be unscrewed. Because the screw is exposed to the air, if the surrounding environment is relatively humid, after a long time, it is prone to rust. In fact, don’t use brute force, you need to master the skills of screwing.

Tap it first, tap the corroded screw with a wrench, and tap the handle lightly, because if the corroded part is loose, it can be unscrewed later.

If it still doesn’t work after tapping, you can drop a small amount of oil, and then rotate it gently with the wrench a few times. If you don’t have oil at home, you can also use Coke because it will remove rust.

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Packaging and delivery
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Packaging and delivery3

About us

Yongnian Hongji
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cer2
ce1
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ce4

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Product detail pictures:

Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide  –  Hongji detail pictures

Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide  –  Hongji detail pictures

Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide  –  Hongji detail pictures

Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide  –  Hongji detail pictures

Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide  –  Hongji detail pictures


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We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers for Chinese wholesale 2 Inch Bolt And Nut - ISO7380 Hex Socket Pan Head Screw Grade 10.9 8.8 Black Oxide – Hongji , The product will supply to all over the world, such as: Victoria, Florida, San Francisco, Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Cora from Muscat - 2018.11.04 10:32
    The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Hazel from Swiss - 2017.08.18 11:04
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