Witten Company, Inc. > Products > Light Duty Inserts > 121 Series
121 Series
THREADED INSERT, BLIND, FLANGED HEAD STYLE
LIGHT DUTY – PRESS IN
Data Sheet
TABLE I
CODE
NO. |
T
THREAD |
A
DIA
+.005 / -.000 |
B
DIA |
INSTALL
HOLE
+.005 / -.000 |
| 632 |
6-32 UNJC |
.245 |
.375 |
.250 |
| 832 |
8-32 UNJC |
.245 |
.375 |
.250 |
|
| 1032 |
10-32 UNJF |
.307 |
.437 |
.312 |
|
| 420 |
1/4-20 UNJC |
.370 |
.500 |
.375 |
| 428 |
1/4-28 UNJF |
.370 |
.500 |
.375 |
|
| 518 |
5/16-18 UNJC |
.432 |
.562 |
.437 |
| 524 |
5/16-24 UNJF |
.432 |
.562 |
.437 |
|
| 616 |
3/8-16 UNJC |
.495 |
.625 |
.500 |
| 624 |
3/8-24 UNJF |
.495 |
.625 |
.500 |
|
 |
TABLE II
DASH
NO. |
L ± .03
LENGTH |
MINIMUM FULL THREAD DEPTH |
| #6 |
#8 |
#10 |
1/4 |
5/16 |
3/8 |
| -6 |
.375 |
.225 |
.225 |
.175 |
— |
— |
— |
| -7 |
.437 |
.276 |
.287 |
.237 |
— |
— |
— |
| -8 |
.500 |
.276 |
.328 |
.300 |
.225 |
— |
— |
| -10 |
.625 |
.276 |
.328 |
.375 |
.350 |
.350 |
.350 |
| -12 |
.750 |
.276 |
.328 |
.375 |
.475 |
.475 |
.475 |
| -14 |
.875 |
.276 |
.328 |
.375 |
.500 |
.600 |
.600 |
| -16 |
1.000 |
.276 |
.328 |
.375 |
.500 |
.625 |
.725 |
EXAMPLE: PART NUMBERING SYSTEM
