IIS Manufactures & Supplies Lock Rite Washer ( Wedge Lock Washer ) DIN 25201

Lock-Rite Washers are used in Pairs. Both Washers have Radial Teeth and are assembled opposite to each other. Lock-Rite Washers can be used with Bolts and Threaded Holes.
IIS Lock-Rite Washer of protect fastener joint with tension during vibration and dynamic loads. It is a superior quality product validated by many industries worldwide. When using with Bolts and Nuts, 1 Pair should be used on either side. Lock-Rite Washers eliminate the use of Adhesive for Locking as it automatically secures the joints

 


M3 - M8 = ø Di ±0.1 mm
M10 - M42 = ø Di ±0.2 mm M45 - M130 = ø Di +0.5 / -0.0 mm

M3 - M24 = ø De ±0.2 mm
M27 - M42 = ø De ±0.3 mm M45 - M130 = ø De +0.0 / -2.0 mm

M3 - M42 = T ±0.25 mm    
  M45 - M130 = T ±0.75 mm      

Applications
Lock Rite Washers are used in industries such as Mining , Agriculture Equipment , Automobile, Railways, Hydro Power & Thermal Energy, Wind Mill, Construction, Marine, Heavy Vehicles, Manufacturing and Processing etc.

Special Features of LR Washer : 
1.Protect fastener joints during vibration & dynamic load.
2.Fast and effortless to mount and take out with standard tools
3.Reusable
4.SST : > 1000 hrs. without red rust

Tested & Approved :
1.Bolt Science Ltd (UK)
2.Automotive Research Associate of India (ARAI)
3.Govt. of India, Ministry of Railways Research Designs & Standards.

Lock-Rite Steel Washers
Dimension chart

 

IIS Part No.

Bolt Size

Dimensions in mm

 

 

 

 

Metric

UNC

Outer Dia. (De)

Inner Dia. (Di)

Thickness (T)

 

 

 

 

 

 

LR7x3.4x1.8M3ZF

M3

# 5

7.0

3.4

1.8

LR7.6x3.9x1.8M3.5ZF

M3.5

# 6

7.6

3.9

1.8

LR9x3.9x1.8M3.5ZF

M3.5

# 6

9.0

3.9

1.8

LR7.6x4.4x1.8M4ZF

M4

# 8

7.6

4.4

1.8

LR9x4.4x1.8M4ZF

M4

# 8

9.0

4.4

1.8

LR9x5.4x1.8M5ZF

M5

# 10

9.0

5.4

1.8

LR10.8x5.4x1.8M5ZF

M5

# 10

10.8

5.4

1.8

LR10.8x6.5x1.8M6ZF

M6

 

10.8

6.5

1.8

LR13.5x6.5x2.5M6ZF

M6

 

13.5

6.5

2.5

LR11.5x7.2x1.8x1/4

 

1/4"

11.5

7.2

1.8

LR13.5x7.2x2.5x1/4

 

1/4"

13.5

7.2

2.5

LR13.5x8.7x2.5M8ZF

M8

5/16"

13.5

8.7

2.5

LR16.6x8.7x2.5M8ZF

M8

5/16"

16.6

8.7

2.5

LR16.6x10.3x2.53/8ZF

 

3/8"

16.6

10.3

2.5

LR21.0x10.3x2.5ZF

 

3/8"

21.0

10.3

2.5

LR16.6x10.7x2.5M10ZF

M10

 

16.6

10.7

2.5

LR21.0x10.7x2.5M10ZF

M10

 

21.0

10.7

2.5

LR18.5x11.4x2.5M11ZF

M11

7/16"

18.5

11.4

2.5

LR19.5x13x2.5M12ZF

M12

 

19.5

13.0

2.5

LR25.4x13x3.4M12ZF

M12

 

25.4

13.0

3.4

LR19.5x13.5x2.51/2ZF

 

1/2"

19.5

13.5

2.5

LR25.4x13.5x3.41/2ZF

 

1/2"

25.4

13.5

3.4

LR23x15.2x3.4M14ZF

M14

9/16"

23.0

15.2

3.4

LR30.7x15.2x3.4M14ZF

M14

9/16"

30.7

15.2

3.4

LR25.4x17x3.4M16ZF

M16

5/8"

25.4

17.0

3.4

LR30.7x17x3.4M16ZF

M16

5/8"

30.7

17.0

3.4

LR29x19.5x3.4M18ZF

M18

 

29.0

19.5

3.4

LR34.5x19.5x3.4M18ZF

M18

 

34.5

19.5

3.4

LR30.7x20x3.4x3/4

 

3/4"

30.7

20.0

3.4

LR39x20x3.4x3/4

 

3/4"

39.0

20.0

3.4

LR30.7x21.4x3.4M20ZF

M20

 

30.7

21.4

3.4

LR39x21.4x3.4M20ZF

M20

 

39.0

21.4

3.4

LR34.5x23.4x3.4M22ZF

M22

7/8"

34.5

23.4

3.4

LR42x23.4x4.6M22ZF

M22

7/8"

42.0

23.4

4.6

LR39x25.3x3.4M24ZF

M24

 

39.0

25.3

3.4

LR48.5x25.3x4.6M24ZF

M24

 

48.5

25.3

4.6

LR39x27.9x3.4x1

 

1"

39.0

27.9

3.4

LR48.5x27.9x4.6x1

 

1"

48.5

27.9

4.6

LR42x28.4x5.8M27ZF

M27

 

42.0

28.4

5.8

LR48.5x28.4x5.8M27ZF

M27

 

48.5

28.4

5.8

LR47x31.4x5.8M30ZF

M30

1 1/8"

47.0

31.4

5.8

LR58.5x31.4x6.6M30ZF

M30

1 1/8"

58.5

31.4

6.6

LR48.5x34.4x5.8M33ZF

M33

1 1/4"

48.5

34.4

5.8

LR58.5x34.4x6.6M33ZF

M33

1 1/4"

58.5

34.4

6.6

LR55x37.4x6.6M36ZF

M36

1 3/8"

55.0

37.4

6.6

LR63x37.4x6.6M36ZF

M36

1 3/8"

63.0

37.4

6.6

LR58.5x40.4x6.6M39ZF

M39

1 1/2"

58.5

40.4

6.6

LR63x43.2x6.6M42ZF

M42

 

63.0

43.2

6.6

LR70x46.2x7M45ZF

M45

1 3/4"

70.0

46.2

7.0

LR75x49.6x7M48ZF

M48

 

75.0

49.6

7.0

LR80x53.6x7M52ZF

M52

2"

80.0

53.6

7.0

LR85x59.1x7M56ZF

M56

2 1/4"

85.0

59.1

7.0

LR90x63.1x7M60ZF

M60

2 1/2"

90.0

63.1

7.0

LR95x67.1x7M64ZF

M64

 

95.0

67.1

7.0

LR100x71.1x9.5M68ZF

M68

 

100.0

71.1

9.5

LR105x75.1x9.5M72ZF

M72

 

105.0

75.1

9.5

LR110x79.1x9.5M76ZF

M76

3"

110.0

79.1

9.5

LR115x83.1x9.5M80ZF

M80

3 1/8"

115.0

83.1

9.5

LR120x88.1x9.5M85ZF

M85

 

120.0

88.1

9.5

LR130x92.4x9.5M90ZF

M90

 

130.0

92.4

9.5

LR135x97.4x9.5M95ZF

M95

 

135.0

97.4

9.5

LR145x103.4x9.5M100ZF

M100

4"

145.0

103.4

9.5

LR150x108.4x9.5M105ZF

M105

 

150.0

108.4

9.5

LR155x113.4x9.5M110ZF

M110

 

155.0

113.4

9.5

LR165X118.4X9.5M115ZF

M115

 

165.0

118.4

9.5

LR170x123.4x9.5M120ZF

M120

 

170.0

123.4

9.5

LR173x128.4x9.5M125ZF

M125

 

173.0

128.4

9.5

LR178x133.4x9.5M130ZF

M130

5"

178.0

133.4

9.5