Slotted nuts and castle nuts

One method of preventing nuts from coming loose is to drill the bolt and use a pin through the assembly. Suitable nuts are shown in Fig. 16.22. Slotted nuts are available for sizes M4 to M39 and have six slots. Castle nuts are also available with six slots between sizes M12 to M39 and eight slots between sizes M42 and

Spring Coil Sketches
Table 16.14 Double coil rectangular section spring washers to BS 4464

Nominal

Max. inside

Max. outside

Thickness

Free

thread

diameter

diameter

height

diameter

I/D

O/D

S

H

M2

2.4

4.4

0.50

2.50

M3

3.6

6.2

0.80

4.00

M4

4.6

8.0

0.80

4.00

M5

5.6

9.8

0.90

4.50

M6

6.6

12.9

1.00

5.00

M8

8.6

15.1

1.20

6.00

M10

10.8

18.2

1.20

6.00

M12

12.8

20.2

1.60

8.00

M16

17.0

27.4

2.00

10.00

M20

21.5

31.9

2.00

10.00

M24

26.0

39.4

3.25

16.25

M30

33.0

49.5

3.25

16.25

M36

40.0

60.5

3.25

16.25

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Responses

  • licia lombardo
    How do i draw a slotted nut?
    8 years ago

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