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Hex Flange Nut

Flange Nut with a wide Flange at one end act as a integrated washer.The flange provides a broader load bearing surface eliminates the need of Washers and spread the load evenly to avoid uneven fastening surface of the operations, makes less likely to loosen. The lower side of the flange is usually plain but can have radial serrations that provide a locking action on the bearing surface.

These nuts are commonly used in various industries and applications where vibration resistance, secure fastening, and ease of installation are crucial. Also Flange nuts are effective in applications where vibration is a concern. The flange creates a locking effect, minimizing the chances of the nut loosening due to vibrations.  Also flange nut act as a seal against moisture, dust, or other contaminants, helping to maintain the integrity of the joint.

Prima Hi-Tensile Pvt. Ltd. manufacturer in India produce nuts of different types. The flange nuts are special in shape and function that it has a flange attached. Prima Hi-Tensile Pvt. Ltd. is a leading manufacturer and supplier of the Stainless Steel Flange Nuts in different sizes and dimensions. There are different material grades that are used to produce these nuts. leo.

Hex Flange Nut

Hex Flange Tower Nut Dimensions in mm
Thread size (d)
M36
M42
M48
M56
M64
M72
M80
P Pitch
4
4.5
5
5.5
6
6
6
da
max
37.45
43.7
49.9
58.25
66.55
74.88
82.88
min
36
42
48
56
64
72
80
dc
max
65.8
77.8
91.8
104.8
114.8
124.8
139.8
min
64.8
76.8
90.6
103.6
113.6
123.4
138.6
dp
min
62
74
88
101
111
121
136
dw
min
51.1
60
69.5
78.7
88.2
97.7
107.2
m
max
36
42
48
56
64
72
80
min
34.4
40.4
46.4
54.1
62.1
70.1
78.1
c
max
22
24.75
27.5
30.25
33
33
39
min
20
22.5
25
27.5
30
30
36
s
max
55
65
75
85
95
105
115
min
53.8
63.1
73.1
82.8
92.8
102.8
112.8
f
max
4
4.5
5
5.5
6
6
6
e
min
60.79
71.3
82.6
93.56
104.86
116.16
127.46
r
Nom
2
3
3.5
4
4
4
4
t1
max
0.38
0.44
0.5
0.58
0.65
0.72
0.83
u2
max
1.48
1.48
1.48
1.74
1.74
1.74
1.74
1 .t = tolerance of total run out, see ISO4759-1 section 4.2.2.2 (tolerance has been tightened by PRIMA)
2. u = tolerance of position, see ISO4759-1 section 4.2.1.2
Internal screw thread limits for tolerance class 6AZ – restricted
Thread
Major diameter
min
Pitch diameter
Minor diameter
max
min
max
min
M36
36.38
34.082
33.902
32.65
32.29
M42
42.39
39.782
39.593
38.189
37.787
M48
48.4
45.487
45.286
43.697
43.271
M56
56.41
53.193
52.98
51.206
50.756
M64
64.42
60.898
60.673
58.725
58.245
M72
72.42
68.898
68.673
66.725
66.245
M80
80.42
76.898
76.673
74.725
74.245
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