
Suppliers of Basic, Thick and heavy hex slotted nuts, inch series
Technical data
Basic, Thick and heavy hex slotted nuts, inch series

This product is regulated by the following standards:
Details
Basic, Thick and heavy hex slotted nuts, inch series

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 -2010- table 5 - Hex slotted nuts |
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d Thread size
|
UNC(nr of threads x inch) |
UNF(nr of threads x inch) |
G min
|
F basic
|
H basic | T max | S min |
1/4
|
20 | 28 |
0.488
|
0.438 | 0.219 | 0.14 | 0.07 |
5/16
|
18 | 24 |
0.557
|
0.5 | 0.266 | 0.18 | 0.09 |
3/8
|
16 | 24 |
0.628
|
0.562
|
0.328 | 0.21 | 0.12 |
7/16
|
14 | 20 |
0.698
|
0.625
|
0.375 | 0.23 | 0.12 |
1/2
|
13 | 20 |
0.840
|
0.75
|
0.4375 | 0.29 | 0.15 |
9/16
|
12 | 18 | 0.910 |
0.812
|
0.484 | 0.31 | 0.15 |
5/8
|
11 | 18 |
1.051
|
0.937 | 0.547 | 0.34 | 0.18 |
3/4
|
10 | 16 |
1.254
|
1.125
|
0.641 | 0.4 | 0.18 |
7/8
|
9 | 14 | 1.465 |
1.313
|
0.75 | 0.52 | 0.18 |
1
|
8 | 12 |
1.675
|
1.50
|
0.859 | 0.59 | 0.24 |
1-1/8 | 7 | 12 | 1.859 | 1.625 | 0.969 | 0.64 | 0.24 |
1-1/4 | 7 | 12 | 2.066 | 1.875 | 1.062 | 0.7 | 0.31 |
1-3/8 | 6 | 12 | 2.273 | 2 | 1.172 | 0.82 | 0.31 |
1-1/2 | 6 | 12 | 2.480 | 2.25 | 1.281 | 0.86 | 0.37 |
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Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 2010 tables 7 - Hex thick slotted nuts |
|||||||
d Thread size
|
UNC(nr of threads x inch) |
UNF(nr of threads x inch) |
G min
|
F basic
|
H basic | T max | S min |
1/4
|
20 | 28 |
0.488
|
0.438 | 0.281 | 0.2 | 0.07 |
5/16
|
18 | 24 |
0.557
|
0.5 | 0.328 | 0.24 | 0.09 |
3/8
|
16 | 24 |
0.628
|
0.562
|
0.407 | 0.29 | 0.12 |
7/16
|
14 | 20 |
0.698
|
0.625
|
0.454 | 0.31 | 0.12 |
1/2
|
13 | 20 |
0.840
|
0.75
|
0.563 | 0.42 | 0.15 |
9/16
|
12 | 18 | 0.910 |
0.812
|
0.610 | 0.43 | 0.15 |
5/8
|
11 | 18 |
1.051
|
0.937 | 0.719 | 0.51 | 0.18 |
3/4
|
10 | 16 |
1.254
|
1.125
|
0.813 | 0.57 | 0.18 |
7/8
|
9 | 14 | 1.465 |
1.313
|
0.906 | 0.67 | 0.18 |
1
|
8 | 12 |
1.675
|
1.50
|
1 | 0.73 | 0.24 |
1-1/8 | 7 | 12 | 1.859 | 1.625 | 1.156 | 0.83 | 0.24 |
1-1/4 | 7 | 12 | 2.066 | 1.875 | 1.25 | 0.89 | 0.31 |
1-3/8 | 6 | 12 | 2.273 | 2 | 1.38 | 1.02 | 0.31 |
1-1/2 | 6 | 12 | 2.480 | 2.25 | 1.5 | 1.08 | 0.37 |
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Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 - 2010 table 11 Hex heavy slotted nuts |
|||||||
d Thread size
|
UNC (nr of threads x inch) |
UNF (nr of threads x inch) |
G min
|
F basic
|
H basic | T max | S min |
1/4 | 20 | 28 | 0.556 | 0.5 | 0.234 | 0.15 | 0.07 |
5/16 | 18 | 24 | 0.622 | 0.562 | 0.297 | 0.21 | 0.09 |
3/8 | 16 | 24 | 0.763 | 0.688 | 0.359 | 0.24 | 0.12 |
7/16 | 14 | 20 | 0.83 | 0.75 | 0.422 | 0.28 | 0.12 |
1/2
|
13 | 20 |
0.969
|
0.875 | 0.484 | 0.34 | 0.15 |
9/16 | 12 | 18 | 1.037 | 0.938 | 0.547 | 0.37 | 0.15 |
5/8
|
11 | 18 | 1.175 | 1.063 | 0.609 | 0.4 | 0.18 |
3/4
|
10 | 16 | 1.383 |
1.25
|
0.734 | 0.49 | 0.18 |
7/8
|
9 | 14 | 1.589 |
1.438
|
0.859 | 0.62 | 0.18 |
1
|
8 | 12 | 1.769 |
1.625
|
0.984 | 0.72 | 0.24 |
1-1/8 | 7 | 12 | 2.002 | 1.813 | 1.109 | 0.78 | 0.24 |
1-1/4 | 7 | 12 | 2.209 | 2 | 1.219 | 0.86 | 0.31 |
1-3/8 | 6 | 12 | 2.416 | 2.188 | 1.342 | 0.99 | 0.31 |
1-1/2 | 6 | 12 | 2.622 | 2.375 | 1.469 | 1.05 | 0.37 |
1-3/4 | 5 | - | 3.035 | 2.75 | 1.719 | 1.24 | 0.43 |
2 | 4.5 | - | 3.449 | 3.125 | 1.969 | 1.43 | 0.43 |
2-1/4 | 4.5 | - | 3.862 | 3.5 | 2.203 | 1.67 | 0.43 |
2-1/2 | 4 | - | 4.275 | 3.875 | 2.453 | 1.79 | 0.55 |
2-3/4 | 4 | - | 4.688 | 4.25 | 2.703 | 2.05 | 0.55 |
3 | 4 | - | 5.102 | 4.625 | 2.953 | 2.23 | 0.62 |
3-1/4 | 4 | - | 5.515 | 5 | 3.188 | 2.47 | 0.62 |
3-1/2 | 4 | - | 5.928 | 5.375 | 3.438 | 2.72 | 0.62 |
3-3/4 | 4 | - | 6.341 | 5.75 | 3.688 | 2.97 | 0.62 |
4 | 4 | - | 6.755 | 6.125 | 3.938 | 3.22 | 0.62 |
Full list of Suppliers of Basic, Thick and heavy hex slotted nuts, inch series

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.
The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.
Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.
Distributor of inch sized fasteners, oil and gas fasteners and turned special screws
Manufacturer and distributor of standard and special nuts, both in metric and imperial sizes
We offer logistics and inventory management and integrated supply chain management services covering a wide market of OEM fasteners (KanBan), MRO and Personal Protective Equipment (Vending Machine).
Manufacturer of nuts for automotive: hexagon nuts, flange nuts, wheel nuts, castel nuts, lock nuts, weld nuts
Manufacturer of special cold and hot forged nuts and bolts: Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms
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