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Precision Technology
Supplies Ltd
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Nuts of all types
Hexagon Full and Lock, Dome, Wing, Nylon Insert, Square, Castle, Locking and Barrel Nuts. All types available.
Nuts - All types dimensional data
   
Metric Range
|
Diameter
|
Full Nut
Depth
|
Lock Nut
Depth
|
Across
Flats
|
Nylon Insert
Nut Depth
|
Dome Nut
Depth
|
Square Nut
Across Flats
|
Flange Nut
Depth
|
Flange
Diameter
|
|
M1.0
|
0.8
|
*
|
2.5
|
*
|
*
|
*
|
*
|
*
|
|
M1.2
|
1.0
|
*
|
3.0
|
*
|
*
|
*
|
*
|
*
|
|
M1.6
|
1.3
|
1.0
|
3.2
|
*
|
*
|
*
|
*
|
*
|
|
M2.0
|
1.6
|
1.2
|
4.0
|
*
|
*
|
4.0
|
*
|
*
|
|
M2.5
|
2.0
|
1.6
|
5.0
|
3.5
|
*
|
5.0
|
*
|
*
|
|
M3
|
2.4
|
1.8
|
5.5
|
4.0
|
7.0
|
5.5
|
*
|
*
|
|
M3.5
|
2.8
|
*
|
6.0
|
*
|
*
|
*
|
*
|
*
|
|
M4
|
3.2
|
2.2
|
7.0
|
5.0
|
8.0
|
7.0
|
*
|
*
|
|
M5
|
4.0
|
2.7
|
8.0
|
5.0
|
10.0
|
8.0
|
5.0
|
11.8
|
|
M6
|
5.0
|
3.2
|
10.0
|
6.0
|
12.0
|
10.0
|
6.0
|
14.2
|
|
M8
|
6.5
|
4.0
|
13.0
|
8.0
|
15.0
|
13.0
|
8.0
|
17.9
|
|
M10
|
8.0
|
5.0
|
17.0
|
10.0
|
18.0
|
17.0
|
10.0
|
21.8
|
|
M12
|
10.0
|
6.0
|
19.0
|
12.0
|
22.0
|
*
|
*
|
*
|
|
M16
|
13.0
|
8.0
|
24.0
|
16.0
|
28.0
|
*
|
*
|
*
|
|
M20
|
16.0
|
10.0
|
30.0
|
20.0
|
34.0
|
*
|
*
|
*
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All dimensions are in MM
Unified range (American Threads)
|
Diameter
|
Across
Flats
|
Full Nut
Depth
|
Lock Nut
Depth
|
Nylon Insert
Nut Depth
|
Nylon Insert
Nut A/F
|
Dome Nut
Depth
|
Flange Nut
Depth
|
|
0un
|
.156
|
.0468
|
*
|
*
|
*
|
*
|
*
|
|
2un
|
.187
|
.0625
|
*
|
.141
|
.250
|
*
|
*
|
|
4un
|
.250
|
.0937
|
*
|
.141
|
.250
|
.250
|
*
|
|
6un
|
.312
|
.1094
|
*
|
.172
|
.312
|
.296
|
.171
|
|
8un
|
.343
|
.125
|
*
|
.234
|
.343
|
.312
|
.203
|
|
10un
|
.375
|
.125
|
*
|
.234
|
.375
|
.390
|
.219
|
|
12un
|
.437
|
.156
|
*
|
.313
|
.437
|
.421
|
*
|
|
1/4"
|
.437
|
.218
|
.158
|
.131
|
.437
|
.468
|
.236
|
|
5/16"
|
.500
|
256
|
.187
|
.344
|
.500
|
.531
|
.283
|
|
3/8"
|
.562
|
.328
|
.218
|
.453
|
.562
|
.625
|
.347
|
|
1/2"
|
.750
|
.437
|
.312
|
.594
|
.750
|
.812
|
*
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All Dimensions are in inches
Wing Nuts
Metric Range
| Diameter |
Wing Height H |
Wing Span
S |
Boss Diameter B |
Boss Height B2 |
| M3 |
8.6 |
17.6 |
8 |
2.9 |
| M4 |
8.6 |
17.6 |
8 |
2.9 |
| M5 |
11 |
22.5 |
10.3 |
4.1 |
| M6 |
13.6 |
27.8 |
12.7 |
5.1 |
| M8 |
14.8 |
30.3 |
13.8 |
5.6 |
| M10 |
17.7 |
36.2 |
16.5 |
6.8 |
| M12 |
24.1 |
49.4 |
22.5 |
9 |
| M16 |
28.5 |
58.3 |
26.6 |
10.7 |
| M20 |
33.8 |
68.5 |
29.5 |
13.5 |
Unified (American) Range
*= No dimensional data Available
If the information you require is not in the above tables please 
us and we will be happy to send it to you.
This information is for guidance only no liability can result
from its use
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