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Molded-In Insert, 4 Thread Series
English Part
Number |
Thread
Size |
Minor
Dia. |
A |
B
±.005 |
C |
D |
Knurl
TPI |
| B256-4 |
2-56 |
.070 |
.156 |
.156 |
.141 |
.030 |
40 |
| B440-4 |
4-40 |
.089 |
.188 |
.188 |
.171 |
.030* |
40 |
| B632-4 |
6-32 |
.110 |
.218 |
.219 |
.201 |
.062* |
30 |
| B832-4 |
8-32 |
.136 |
.250 |
.250 |
.225 |
.062* |
30 |
| B1024-4 |
10-24 |
.149 |
.281 |
.312 |
.259 |
.062* |
30 |
| B1032-4 |
10-32 |
.159 |
.281 |
.281 |
.259 |
.062* |
30 |
| B25020-4 |
1/4”-20 |
.201 |
.344 |
.375 |
.320 |
.094 |
20 |
| B25028-4 |
1/4”-28 |
.214 |
.344 |
.375 |
.320 |
.094 |
20 |
| B31218-4 |
5/16”-18 |
.257 |
.437 |
.469 |
.403 |
.094 |
20 |
| B31224-4 |
5/16”-24 |
.272 |
.437 |
.469 |
.403 |
.094 |
20 |
| B37516-4 |
3/8”-16 |
.312 |
.500 |
.562 |
.465 |
.094 |
20 |
| B37524-4 |
3/8”-24 |
.333 |
.500 |
.562 |
.465 |
.094 |
20 |
*Non standard “D” dimension available in both .030 and .062 (BB832-4 .030 or BBM4-4 .030)
Material Designation: Insert the letter “B” Brass or “C” Stainless as the first digit of part. |
| Metric Part Number |
Metric
Thread Size |
Metric
Minor Dia. |
A |
B
±.005 |
C |
D |
Knurl
TPI |
BM2-4 |
M2x0.4 |
.063 |
.156 |
.156 |
.141 |
.030 |
40 |
BM3-4 |
M3x0.5 |
.099 |
.188 |
.188 |
.171 |
.030* |
40 |
BM3.5-4 |
M3.5x0.6 |
.115 |
.218 |
.219 |
.201 |
.062* |
30 |
BM4-4 |
M4x0.7 |
.131 |
.250 |
.250 |
.225 |
.062* |
30 |
BM5-4 |
M5x0.8 |
.166 |
.281 |
.281 |
.259 |
.062* |
30 |
BM6-4 |
M6x1.0 |
.199 |
.344 |
.375 |
.320 |
.094 |
20 |
BM8-4 |
M8x1.25 |
.266 |
.437 |
.469 |
.403 |
.094 |
20 |
BM10-4 |
M10x1.5 |
.337 |
.500 |
.562 |
.465 |
.094 |
20 |
*Non standard “D” dimension available in both .030 and .062 (BB832-4 .030 or BBM4-4 .030)
Material Designation: Insert the letter “B” Brass or “C” Stainless as the first digit of part. |
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