DIN25201 Wedge Lock Washer

DIN25201 Wedge Lock Washer

Details
The DIN25201 wedge lock washer features a unique embedded design with a wedge angle, which increases the tension on the bolt to prevent loosening. When exposed to vibration, the washer’s angled teeth engage with both the bolt and the connected parts, effectively locking them in place and preventing any loosening over time.
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Lock Washer
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Description
Technical Parameters
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The DIN25201 wedge lock washer features a unique embedded design with a wedge angle, which increases the tension on the bolt to prevent loosening. When exposed to vibration, the washer's angled teeth engage with both the bolt and the connected parts, effectively locking them in place and preventing any loosening over time.

This DIN25201 wedge lock washer also offers excellent sealing, preventing leakage of liquids and gases, which makes it ideal for applications requiring reliable sealing. They are reusable, it's a cost-effective solution. The installation is quick and easy – simply place the washer under the nut or bolt without the need for any special tools.

They are typically made from high-temperature and corrosion-resistant materials, they can be made in stainless steel or carbon steel. Carbon steel washers are available with various surface treatments, including spring steel phosphating, galvanizing, nickel plating, and Dacromet coating, to meet specific performance requirements.

DIN25201 wedge lock washers are widely used in mechanical equipment, automotive, aerospace, and many other industries, providing a reliable solution for securing fasteners and preventing loosening, even under the toughest conditions.

 

Specification

 

wedge lock 1

Washer Size

Metric Thread

UNC Thread

Inner Diameter (d)

Inner Diameter (d) - Tolerance

Outer Diameter (dc)

Outer Diameter (dc) - Tolerance

Thickness (h)

Thickness (h) - Tolerance

NL3

M3

#5

3.4

±0.1

7

±0.2

1.8

±0.25

NL4

M4

#8

4.4

7.6

1.8

NL4sp

M4

#8

4.4

9

1.8

NL5

M5

#10

5.4

9

1.8

NL5sped)

M5

#10

5.4

10.8

1.8

NL6

M6

1/4

6.5

10.8

1.8

NL6sp

M6

1/4

6.5

13.5

1.8

NL8

M8

5/16

8.7

13.5

1.8

NL8sp

M8

5/16

8.7

16.6

2.5

NL10

M10

7/16

10.7

±0.2

16.6

2.5

NL10sp

M10

7/16

10.7

21

2.5

NL11

M11

7/16

11.4

18.5

2.5

NL12

M12

1/2

13

19.5

2.5

NL12sp

M12

1/2

13

25.4

3.4

NL14

M14

9/16

15.2

23

3.4

NL14sp

M14

9/16

15.2

30.7

3.4

NL16

M16

5/8

17

25.4

3.4

NL16sp

M16

5/8

17

30.7

3.4

NL18

M18

 

19.5

29

3.4

NL18sp

M18

 

19.5

34.5

3.4

NL20

M20

 

21.4

30.7

3.4

NL20sp

M20

 

21.4

39

3.4

NL22

M22

7/8

23.4

34.5

3.4

NL22sp

M22

7/8

23.4

42

4.6

NL24

M24

 

25.3

39

3.4

NL24sp

M24

 

25.3

48.5

4.6

NL27

M27

 

28.4

42

±0.3

5.8

0
-0.5

NL27sp

M27

 

28.4

48.5

6.6

NL30

M30

1-1/8

31.4

47

5.8

NL30sp

M30

1-1/8

31.4

58.5

6.6

NL33

M33

1-1/4

34.4

48.5

5.8

NL33sp

M33

1-1/4

34.4

58.5

6.6

NL36

M36

1-3/8

37.4

55

5.8

NL36sp

M36

1-3/8

37.4

63

6.6

NL39

M39

1-1/2

40.4

58.5

5.8

NL42

M42

 

43.2

63

5.8

NL45

M45

1-3/4

46.2

±0.5

70

0
-2

7

±0.75

NL48

M48

 

49.6

75

7

NL52

M52

2

53.6

80

7

NL56

M56

2-1/4

59.1

85

7

NL60

M60

 

63.1

90

7

 

Product Picture

 

 

wedge lock 2
wedge lock 3
wedge lock 4
wedge lock 5
wedge lock 6
wedge lock 7

 

Production Process

 

 

1Raw Material
Raw Material
2 Cold Forging
Cold Forging
3 Threading
Threading
4 Auto Lathe
Auto Lathe
5 Auto Lathe
Auto Lathe
6Table Lathe
Table Lathe
7CNC Lathe
CNC Lathe
8Quality Checking
Quality Checking
9 Inspection
Inspection
10 Packing
Packing

 

Quality Control

 

 

1 Clipers Micrometer
Clipers Micrometer
2 Torque
Torque
3 Depth Micrometer
Depth Micrometer
4 Plug
Plug
5 Thread Guage
Thread Guage
6 Ring Guage
Ring Guage
7 Hardness Tester
Hardness Tester
8Projector
Projector
9 Salt Spray Testing
Salt Spray Testing

 

Surface Treatment

 

 

Offer a variety of surface treatments for our screws to meet different needs and environmental conditions. Such as zinc plating, nickel plating, hot-dip galvanizing, anodizing, zinc nickel alloy, dacromet coating, phosphating, etc.

 

product-549-536

 

Custom Service

 

 

With 18 years of experience in the fasteners area, Zeyao Hardware specializes in manufacturing custom fasteners, including screws, bolts, nuts, rivets, standoffs, spacers, wrenches, pins, and more. Welcome to send your inquiries to get a free quote.

 

product-862-379

 

FAQ

 

 

Q1: Can you provide custom items?

A1: It can be made according to the drawings and specifications provided by customers.

Q2: How do you guarantee quality?

A2: On the one hand, our company has a strong team and high-precision machines to guarantee quality; on the other hand, we have a strict production process from production to delivery.

Q3: How do you guarantee quality?
A3: On the one hand, our company has a strong team and high-precision machines to guarantee quality; on the other hand, we have a strict production process from production to delivery.

 

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