|
WHITWORTH & BSF HEXAGONS
| Diameter |
1/4 |
5/16 |
3/8 |
1/2 |
5/8 |
3/4 |
7/8 |
1 |
T.P.I. Whit BSF |
20 |
18 |
16 |
12 |
11 |
10 |
9 |
8 |
| 26 |
22 |
20 |
16 |
14 |
12 |
11 |
10 |
| Hexagon A/F |
0.438 |
0.518 |
0.592 |
0.812 |
1.000 |
1.190 |
1.288 |
1.468 |
| 0.445 |
0.525 |
0.600 |
0.820 |
1.010 |
1.200 |
1.300 |
1.480 |
| Hexagon Depth |
0.166 |
0.208 |
0.250 |
0.333 |
0.407 |
0.480 |
0.563 |
0.636 |
| 0.176 |
0.218 |
0.260 |
0.343 |
0.417 |
0.500 |
0.583 |
0.666 |
| Full Nut Depth |
0.190 |
0.240 |
0.302 |
0.427 |
0.552 |
0.677 |
0.740 |
0.865 |
| 0.200 |
0.250 |
0.312 |
0.437 |
0.562 |
0.687 |
0.750 |
0.875 |
| Lock Nut Depth |
0.123 |
0.156 |
0.198 |
0.281 |
0.365 |
0.448 |
0.490 |
0.573 |
| 0.133 |
0.166 |
0.208 |
0.291 |
0.375 |
0.458 |
0.500 |
0.583 |
WHITWORTH & BSF SCREWS & NUTS
| Diameter |
1/8 |
5/32 |
3/16 |
1/4 |
5/16 |
3/8 |
T.P.I. Whit BSF |
40 |
32 |
24 |
20 |
18 |
16 |
| N/A |
N/A |
32 |
26 |
22 |
20 |
| Csk Hd Dia |
0.201 |
0.254 |
0.307 |
0.142 |
0.518 |
0.624 |
| 0.219 |
0.273 |
0.328 |
0.438 |
0.547 |
0.656 |
| Csk Hd Depth |
0.056 |
0.070 |
0.084 |
0.113 |
0.141 |
0.169 |
| Rd Hd Dia |
0.206 |
0.259 |
0.312 |
0.417 |
0.524 |
0.629 |
| 0.219 |
0.273 |
0.328 |
0.438 |
0.547 |
0.656 |
| Rd Hd Depth |
0.082 |
0.103 |
0.124 |
0.165 |
0.207 |
0.249 |
| 0.087 |
0.109 |
0.131 |
0.175 |
0.219 |
0.262 |
| Ch Hd Dia |
0.180 |
0.225 |
0.270 |
0.360 |
0.450 |
0.540 |
| 0.188 |
0.234 |
0.281 |
0.375 |
0.469 |
0.562 |
| Ch Hd Depth |
0.082 |
0.103 |
0.124 |
0.165 |
0.207 |
0.249 |
| 0.087 |
0.109 |
0.131 |
0.175 |
0.219 |
0.262 |
| Inst Hd Dia |
0.201 |
0.254 |
0.307 |
0.412 |
0.518 |
0.624 |
| 0.219 |
0.273 |
0.328 |
0.438 |
0.547 |
0.656 |
| Inst Hd Depth |
0.082 |
0.103 |
0.124 |
0.164 |
0.209 |
0.249 |
| Nut A/F |
0.216 |
0.243 |
0.319 |
0.438 |
0.518 |
0.592 |
| 0.220 |
0.248 |
0.324 |
0.445 |
0.525 |
0.600 |
| Nut Depth |
|
|
|
0.190 |
0.240 |
0.302 |
| 0.115 |
0.130 |
0.162 |
0.200 |
0.250 |
0.312 |
The above information is for guidence only and should not be used when
working to stringent specifications.
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