Hex Flange Nut Din 6923 class 8 zinc plated

flange nut looks like a standard hex nut from one side, but the bottom is widened into a circular flange, creating a bell-like shape. Most of the time manufacturers serrate the bearing surface of flange nuts So that it gives a better grip on the surface of the joint. This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface.
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Products Details

Products name Yellow Plated and White Zinc Palte or Black DIN6923 Hex Flange Cap Serrated Lock Nut
Standard DIN,ASTM/ANSI JIS EN ISO,AS,GB
Grade Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,A325,A490,
Finishing Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
Production Process M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener
Customized Products Lead time 30-60days
Free Samples for standard fastener
flange nut looks like a standard hex nut from one side, but the bottom is widened into a circular flange, creating a bell-like shape. Most of the time manufacturers serrate the bearing surface of flange nuts So that it gives a better grip on the surface of the joint. This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface. Flange nuts are sometimes provided with a swivel flange which helps in creating a more stable structure without affecting the finished product like a serrated flange nut. The flange may be serrated to provide a locking action. On a serrated flange nut, the serrations are angled such that they keep the nut from rotating in the direction that would loosen the nut. Because of the serrations, they cannot be used with a washer or on surfaces that must not be scratched. The serrations help in preventing the vibration of the nut from moving the fastener, thus maintaining the holding power of the nut. Flange nuts are widely used in automobiles, electronic products, and the aerospace industry. HAOSHENG offers these nuts mostly hexagonal in shape and are made up of hardened steel and often coated with zinc. that is manufactured by drawing and annealing wire rods. FLANGE NUT DIN 6923_detail01

Thread Size D

M5

M6

M8

M10

M12

M14

M16

M20

p

Pitch

Coarse thread

0.8

1

1.25

1.5

1.75

2

2

2.5

Fine thread 1

/

/

1

1.25

1.5

1.5

1.5

1.5

Fine thread 2

/

/

/

(1.0)

(1.25)

/

/

/

c

min

1

1.1

1.2

1.5

1.8

2.1

2.4

3

da

min

5

6

8

10

12

14

16

20

max

5.75

6.75

8.75

10.8

13

15.1

17.3

21.6

dc

max

11.8

14.2

17.9

21.8

26

29.9

34.5

42.8

dw

min

9.8

12.2

15.8

19.6

23.8

27.6

31.9

39.9

e

min

8.79

11.05

14.38

16.64

20.03

23.36

26.75

32.95

m

max

5

6

8

10

12

14

16

20

min

4.7

5.7

7.6

9.6

11.6

13.3

15.3

18.9

mw

min

2.2

3.1

4.5

5.5

6.7

7.8

9

11.1

s

max=nominal size

8

10

13

15

18

21

24

30

min

7.78

9.78

12.73

14.73

17.73

20.67

23.67

29.67

r

max

0.3

0.36

0.48

0.6

0.72

0.88

0.96

1.2

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