MS35914G
TABLE II. Thin Wall.
Dash No. |
Internal thread (-3B) |
EXTERNAL THREAD (SEE NOTE 4) |
C Length ±.010 |
D |
0E +.002 -.005 |
0F ±.010 |
|
Cor Res Steel |
MAX |
MIN |
|||||
301 302 303 |
.112-40UNC |
.156 (5/32)-40 |
.234 .187 .156 |
.054 .054 .046 |
.044 .044 .038 |
.136 |
.062 .062 .055 |
304 305 306 |
.138-32UNC |
.187 (3/16)-32 |
.281 .218 .187 |
.068 .068 .064 |
.058 .058 .054 |
.160 |
.078 .078 .070 |
307 308 309 |
.164-32UNC |
.218 (7/32)-32 |
.328 .250 .218 |
.068 .068 .064 |
.058 .058 .054 |
.191 |
.078 .078 .070 |
310 311 312 |
.190-32UNF |
.265 (17/64)-32 |
.375 .296 .250 |
.092 .092 .084 |
.082 .082 .074 |
.237 |
.109 .109 .094 |
313 314 315 |
.250-28UNF |
.343 (11/32)-28 |
.484 .375 .312 |
.109 .109 .099 |
.097 .097 .089 |
.310 |
.125 .125 .109 |
316 317 318 |
.3125-24UNF |
.406 (13/32)-24 |
.562 .469 .375 |
.123 .123 .113 |
.110 .110 .102 |
.368 |
.141 .141 .125 |
319 320 321 |
.375-24UNF |
.500 (1/2)-20 |
.687 .562 .437 |
.137 .137 .126 |
.121 .121 .113 |
.457 |
.156 .156 .141 |
322 323 324 |
.500-20UNF |
.625 (5/8)-18 |
.906 .750 .562 |
.185 .185 .165 |
.160 .160 .143 |
.576 |
.219 .219 .188 |
TABLE III. Recommended Hole Sizes.
|
Internal Thread |
Regular wall |
Thin Wall |
||||||
For high strength light alloys of less than average machinability, cast iron, malleable iron and mild steel |
For medium strength light alloys of average machinability, cast iron and high strength thermosetting plastics |
For low strength light alloys of excellent machinability, thermoplastics and thermosetting plastics |
For all strength alloys, cast iron, malleable iron and all plastics |
|||||
MAX |
MIN |
MAX |
MIN |
MAX |
MIN |
MAX |
MIN |
|
.086 |
.134 |
.131 |
.131 |
.129 |
.129 |
.127 |
---- |
---- |
.112 |
.162 |
.159 |
.159 |
.156 |
.156 |
.152 |
.146 |
.140 |
.138 |
.207 |
.203 |
.203 |
.198 |
.198 |
.194 |
.175 |
.169 |
.164 |
.238 |
.234 |
.234 |
.230 |
.230 |
.226 |
.206 |
.200 |
.190 |
.281 |
.275 |
.275 |
.270 |
.270 |
.264 |
.252 |
.246 |
.250 |
.356 |
.349 |
.349 |
.343 |
.343 |
.336 |
.330 |
.322 |
.3125 |
.447 |
.440 |
.440 |
.433 |
.433 |
.425 |
.390 |
.381 |
.375 |
.538 |
.530 |
.530 |
.521 |
.521 |
.514 |
.479 |
.469 |
.4375 |
.613 |
.605 |
.605 |
.594 |
.594 |
.585 |
---- |
---- |
.500 |
.704 |
.694 |
.694 |
.684 |
.684 |
.674 |
.605 |
.591 |
.5625 |
.780 |
.769 |
.769 |
.759 |
.759 |
.748 |
---- |
---- |
.625 |
.871 |
.859 |
.859 |
.847 |
.847 |
.835 |
---- |
---- |
.750 |
1.039 |
1.026 |
1.026 |
1.013 |
1.013 |
1.000 |
---- |
---- |
NOTE Hole preparation for locking inserts - Countersink to outside diameter of insert with 60° included angle.
3
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