An all metal self locking turret type nut is a one piece self locking nut.
The locking feature of this locknut is obtained by the two de-pitched self-locking slots found on the turret portion of the nut. When they are installed on the application the slotted turret section reverts to its original form and each slot grips the shank – or thread – of the bolt on opposite sides.
The self-locking feature holds a number of advantages; such as high resistance to vibration and that it is a reusable product. It also has a high resistance to temperature and can be used in volatile environments with both high and low temperature dependent on the material.
These locknuts are stocked in Metric, UNC, and UNF threads with BSW and BSF available to request at relatively short lead times.
Metric all metal self locking turret type nuts are available in Stainless Steel A2-70 & A4-80 and in Steel grades 5 & 8.
UNC & UNF all metal self locking flange nuts are available in Stainless Steel AISI 304 & AISI 316 and Steel grades 5, 8 & 10.
The all metal self locking turret type nuts can also be manufactured to order in Brass, Bronze, and Titanium.
Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and custom parts made to drawings.
Metric Technical Data & Available Sizes
Thread Diameter
s (mm)
ht (mm)
m (mm)
Steel Grade 5, 8 & 10
M2
4.0
4.5
2.3
M2.5
5.0
4.5
2.3
M3
5.5
4.5
2.5
M4
7.0
5.3
2.6
M5
8.0
6.3
3.0
M6
10.0
7.0
3.6
M7
11.0
8.1
4.8
M8
13.0
8.8
4.8
M10
16.0
11.0
6.0
M12
18.0
13.0
7.2
M14
21.0
15.0
8.4
M16
24.0
18.7
11.5
M18
27.0
19.5
11.5
M20
30.0
21.0
12.0
M22
32.0
22.0
12.5
M24
36.0
22.5
14.3
M27
41.0
26.0
16.0
M30
46.0
29.5
16.5
M33
50.0
32.0
18.7
M36
55.0
35.0
18.5
M39
60.0
37.0
20.5
M42
65.0
39.5
23.0
M45
70.0
43.0
24.0
M48
75.0
46.0
25.0
Stainless Steel A2-70 & A4-80
M2
4.0
4.5
2.3
M2.5
5.0
4.5
2.3
M3
5.5
4.5
2.5
M4
7.0
5.3
2.6
M5
8.0
6.3
3.0
M6
10.0
7.0
3.6
M7
11.0
8.1
4.8
M8
13.0
8.8
4.8
M10
16.0
11.0
6.0
M12
18.0
13.0
7.2
M14
21.0
15.0
8.4
M16
24.0
17.0
9.5
M18
27.0
19.5
11.5
M20
30.0
21.0
12.0
Size not listed? Please make an enquiry – we may be able to provide it.
Imperial Technical Data & Available Sizes
Thread Diameter
s (mm)
ht (mm)
m (mm)
Steel Grade 5, 8 & 10 | Stainless 304 & 316
8 – 32 UNC
8.0
5.3
2.6
8 – 36 UNF
8.0
5.3
2.6
10 – 24 UNC
9.0
6.3
3.0
10 – 32 UNF
9.0
6.3
3.0
1/4″ – 20 UNC
11.0
7.5
4.0
1/4″ – 28 UNF
11.0
7.5
4.0
5/16″ – 18 UNC
13.0
8.8
4.8
5/16″ – 24 UNF
13.0
8.8
4.8
3/8″ – 16 UNC
14.0
8.8
4.8
3/8″ – 24 UNF
14.0
8.8
4.8
7/16″ – 14 UNC
17.0
11.0
6.0
7/16″ – 20 UNF
17.0
11.0
6.0
1/2″ – 13 UNC
18.0
13.0
7.2
1/2″ – 20 UNF
18.0
13.0
7.2
9/16″ – 12 UNC
22.0
15.0
8.0
9/16″ – 18 UNF
22.0
15.0
8.0
5/8″ – 11 UNC
24.0
17.0
9.5
5/8″ – 18 UNF
24.0
17.0
9.5
3/4″ – 10 UNC
28.0
21.0
12.0
3/4″ – 16 UNF
28.0
21.0
12.0
7/8″ – 9 UNC
33.0
22.0
12.5
7/8″ – 14 UNF
33.0
22.0
12.5
1″ – 8 UNC
38.0
24.0
13.5
1″ – 12 UNF*
38.0*
24.0*
13.5*
1 1/4″ – 7 UNC
46.0
29.5
16.0
1 1/4″ – 12 UNF
46.0
29.5
16.0
1 1/2″ – 6 UNC
55.0
32.0
17.5
1 1/2″ – 12 UNF
55.0
32.0
17.5
1 3/4″ – 5 UNC
–
–
–
2″ – 4 UNC
75.0
46.0
25.5
2″ – 8 UNF
75.0
46.0
25.5
Parts with * indicate 1″ – 14 UNS available on request
Size not listed? Please make an enquiry – we may be able to provide it.
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