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  • DIN7991 Hexagon Socket Countersunk Head Cap Screws1.webp
  • DIN7991 Hexagon Socket Countersunk Head Cap Screws2.webp

DIN7991 Hexagon Socket Countersunk Head Cap Screws

DIN 7991 hexagon socket cap screws have a flat countersunk head with an internal hexagonal drive suited for a hex.

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DIN7991 Hexagon Socket Countersunk Head Cap Screws

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DIN7991 Flat Head Countersunk Socket

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DIN 936 Jam Nut

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Machine Screws

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wins@hongdafasteners.com

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Description

DIN 7991 Specifications

 

 

All measurements in millimeters (mm)

d1

b

t

s

k max

d2

M3

12

1.2

2

1.7

6

M4

14

1.8

2.5

2.3

8

M5

16

2.3

3

2.8

10

M6

18

2.5

4

3.3

12

M8

22

3.5

5

4.4

16

M10

26

4.4

6

5.5

20

M12

30

4.6

8

6.5

24

M16

38

5.3

10

7.5

30

M20

46

5.9

12

8.5

36

M24

54

10.3

14

14

39

Equipment

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Plant environment
Plant environment
Plant environment
Plant environment

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FAQ

Who are we?

FAQ
Handan Yongnian  Hongda fastener Manufacturing Co., Ltd. is located in Yongnian, Handan of fasteners in my country, adjacent to the Beijing-Guangzhou Line, Jingjiu Expressway and Qinghong Expressway intersection, with convenient transportation.
FAQ

How do we guarantee quality?

FAQ
our factory successfully passed the ISO9001:2015 international quality system certification. In the future development, the company will continue to adhere to the quality policy of "continuous improvement, striving for excellence and innovation", cooperate wholeheartedly with customers and merchants with strong technical force, equipment force and economic strength, and go hand in hand to create brilliant new achievements.
FAQ

What can you buy from us?

FAQ
The company mainly produces bolts, nuts, anchor bolts, screws,stud bolts ,customized special-shaped parts, etc. The products can be produced according to the national international standard (ISO), German standard (DIN), American standard ( ANSI/ASME), British standard (BS) and Japanese standard (JIS).
FAQ

Why do you want to buy from us instead of other suppliers?

FAQ
It has more than 20 sets of advanced equipment and an annual output of more than 10,000 tons of high-quality products. The products are sold to more than a dozen countries in the Middle East, Europe, South Korea, and Southeast Asia. "Hongda products, high quality and good price" is the production tenet of our company.

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Hongda Fastener

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It has more than 20 sets of advanced equipment and an annual output of more than 10,000 tons of high-quality products. The products are sold to more than a dozen countries in the Middle East, Europe, South Korea, and Southeast Asia.

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Hongda Fastener

HONDA FASTENER

Telephone：86-310-6891339

Fax：86-310-6891339

Mobile：86-8630045333

Email：wins@hongdafasteners.com

Address：No.2, Floor 8, Area 1, Hebei Puxin Shopping Mall, Yongnian, Handan, Hebei Province

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