Advantage
The main advantages of using hex head nuts with washer face include:
Increased stability: The washer provides a larger bearing surface, which helps to distribute the load more evenly and prevent the nut from becoming stripped or damaged during installation.
Improved grip: The hexagonal shape of the head nut provides a strong and secure grip, making it easy to tighten or loosen the nut using a wrench or pliers.
Easy installation: The hexagonal shape of the head nut and the flat surface of the washer make it easy to position and tighten the nut during installation.
Versatility: Hex head nuts with washer face are available in a variety of sizes, materials, and finishes, making them suitable for use in a wide range of applications.
Overall, hex head nuts with washer face offer a combination of stability, grip, ease of installation, and versatility, making them a popular choice for many applications in construction, engineering, and manufacturing.
Specification
| Thread size（d） |
1/4 |
5/16 |
3/8 |
7/16 |
1/2 |
9/16 |
5/8 |
3/4 |
7/8 |
1 |
1-1/8 |
1-1/4 |
1-3/8 |
1-1/2 |
1-5/8 |
| PP |
Number of teeth, inches |
BSW |
20 |
18 |
16 |
14 |
12 |
12 |
11 |
10 |
9 |
8 |
7 |
7 |
6 |
6 |
5 |
| BSF |
26 |
22 |
20 |
18 |
16 |
16 |
14 |
12 |
11 |
10 |
9 |
9 |
8 |
8 |
8 |
| S |
Maximum |
0.445 |
0.525 |
0.600 |
0.710 |
0.820 |
0.920 |
1.010 |
1.200 |
1.300 |
1.480 |
1.670 |
1.860 |
2.050 |
2.220 |
2.410 |
| Minimum value |
0.435 |
0.515 |
0.585 |
0.695 |
0.800 |
0.900 |
0.985 |
1.175 |
1.270 |
1.450 |
1.640 |
1.815 |
2.005 |
2.175 |
2.365 |
| e |
Maximum |
0.51 |
0.61 |
0.69 |
0.82 |
0.95 |
1.06 |
1.17 |
1.39 |
1.50 |
1.71 |
1.93 |
2.15 |
2.37 |
2.56 |
2.78 |
| K |
Crude |
Maximum |
0.185 |
0.210 |
0.260 |
0.275 |
0.300 |
0.333 |
0.410 |
0.490 |
0.550 |
0.630 |
0.720 |
0.810 |
0.890 |
0.980 |
1.060 |
| Minimum value |
0.180 |
0.200 |
0.250 |
0.265 |
0.290 |
0.323 |
0.375 |
0.458 |
0.500 |
0.583 |
0.666 |
0.750 |
0.833 |
0.916 |
1.000 |
| Double side turning |
Maximum |
/ |
/ |
/ |
/ |
/ |
/ |
0.375 |
0.458 |
0.500 |
0.583 |
0.666 |
0.750 |
0.833 |
0.916 |
1.000 |
| Minimum value |
/ |
/ |
/ |
/ |
/ |
/ |
0.365 |
0.448 |
0.490 |
0.573 |
0.565 |
0.730 |
0.813 |
0.896 |
0.980 |