BSF Thread
OD |
Decimal |
TPI |
Pitch |
Core Dia |
Thread Depth |
Radius |
Hex A/Flats |
Head Depth |
Washer Face Dia |
Standard Nut Depth |
Lock Nut Depth |
Tapping Size |
MM |
Letter or Number |
3/16 |
0.1875 |
32 |
0.03125 |
0.1475 |
0.020 |
0.0037 |
0.338 |
|
|
|
|
0.1562 |
3.9 |
5/32 |
7/32 |
0.2188 |
28 |
0.0357 |
0.1731 |
0.0229 |
0.0049 |
|
|
|
|
|
0.1831 |
4.6 |
14 |
1/4 |
0.250 |
26 |
0.0385 |
0.2007 |
0.0246 |
0.0053 |
0.445 |
0.176 |
0.428 |
0.200 |
0.185 |
0.2087 |
5.3 |
4 |
9/32 |
0.2812 |
26 |
0.0385 |
0.232 |
0.0246 |
0.0053 |
|
|
|
|
|
0.238 |
6.0 |
B |
5/16 |
0.3125 |
22 |
0.0454 |
0.2543 |
0.0291 |
0.0062 |
0.525 |
0.218 |
0.508 |
0.250 |
0.210 |
0.2656 |
6.7 |
17/64 |
3/8 |
0.375 |
20 |
0.050 |
0.3110 |
0.0320 |
0.0069 |
0.600 |
0.260 |
0.582 |
0.312 |
0.260 |
0.3228 |
8.2 |
P |
7/16 |
0.4375 |
18 |
0.0555 |
.03663 |
0.0356 |
0.0076 |
0.710 |
0.302 |
0.690 |
0.375 |
0.275 |
0.375 |
9.7 |
3/8 |
1/2 |
0.500 |
16 |
0.0625 |
0.420 |
0.0400 |
0.0086 |
0.820 |
0.343 |
0.800 |
0.437 |
0.300 |
0.4375 |
11.0 |
7/16 |
9/16 |
0.5625 |
16 |
0.0625 |
0.4825 |
0.040 |
0.0086 |
0.920 |
0.375 |
0.900 |
0.500 |
0.333 |
0.500 |
12.6 |
1/2 |
5/8 |
0.625 |
14 |
0.0714 |
0.5335 |
0.0457 |
0.0096 |
1.010 |
0.417 |
0.985 |
0.562 |
0.375 |
0.5469 |
14.0 |
35/64 |
11/16 |
0.6875 |
14 |
0.0714 |
0.596 |
0.0457 |
0.0098 |
1.100 |
|
|
|
|
0.6094 |
15.5 |
39/64 |
3/4 |
0.750 |
12 |
0.0833 |
0.6433 |
0.0534 |
0.0114 |
1.200 |
0.500 |
1.175 |
0.687 |
0.458 |
0.6562 |
16.7 |
21/32 |
13/16 |
0.8125 |
12 |
0.0833 |
0.7058 |
0.0534 |
0.0114 |
|
|
|
|
|
0.7188 |
18.3 |
23/32 |
7/8 |
0.875 |
11 |
0.0909 |
0.7586 |
0.0582 |
0.0125 |
1.300 |
0.583 |
1.273 |
0.750 |
0.500 |
0.7812 |
19.7 |
25/32 |
1 |
1.000 |
10 |
0.100 |
0.8719 |
0.064 |
0.0137 |
1.480 |
0.666 |
1.453 |
0.875 |
0.583 |
0.8906 |
22.7 |
57/64 |
1 1/8 |
1.125 |
9 |
0.111 |
0.9827 |
0.0711 |
0.0153 |
1.670 |
0.750 |
1.620 |
1.000 |
0.666 |
1.000 |
25.4 |
1 |
1 1/4 |
1.250 |
9 |
0.111 |
1.1077 |
0.0711 |
0.0153 |
1.860 |
0.830 |
1.795 |
1.125 |
0.750 |
1.125 |
28.6 |
1 – 1/8 |
1 3/8 |
1.375 |
8 |
0.125 |
1.2149 |
0.080 |
0.0172 |
2.050 |
0.920 |
1.985 |
1.250 |
0.833 |
1.2344 |
31.5 |
1 – 15/64 |
1 1/2 |
1.500 |
8 |
0.125 |
1.3399 |
0.080 |
0.0172 |
2.220 |
1.000 |
2.155 |
1.375 |
0.916 |
1.3594 |
34.5 |
1 – 23/64 |
1 5/8 |
1.625 |
8 |
0.125 |
1.465 |
0.080 |
0.0172 |
2.410 |
|
|
|
|
1.486 |
37.8 |
1 – 15/32 |
1 3/4 |
1.750 |
7 |
0.1425 |
1.567 |
0.0915 |
0.0196 |
2.580 |
1.170 |
2.495 |
1.625 |
1.083 |
1.600 |
40.7 |
1 – 5/8 |
2 |
2.000 |
7 |
0.1425 |
1.817 |
0.0915 |
0.0196 |
2.760 |
1.330 |
2.675 |
1.750 |
1.166 |
1.835 |
46.6 |
1 – 27/32 |
2 1/4 |
2.250 |
6 |
0.1667 |
2.036 |
0.1067 |
0.0229 |
3.150 |
|
|
|
|
2.050 |
52.4 |
2 – 1/16 |
2 1/2 |
2.500 |
6 |
0.1667 |
2.286 |
0.1067 |
0.0229 |
3.550 |
|
|
|
|
2.330 |
59.0 |
2 – 5/16 |
2 3/4 |
2.750 |
6 |
0.1667 |
2.536 |
0.1067 |
0.0229 |
3.890 |
|
|
|
|
2.560 |
65.0 |
2 – 9/16 |
3 |
3.000 |
5 |
0.200 |
2.743 |
0.1281 |
0.0275 |
4.187 |
|
|
|
|
2.780 |
70.6 |
2 – 25/32 |