Witten Company, Inc. > Products > Heavy Duty Inserts > 151 Series
151 Series
THREADED INSERT, BLIND, SNAP-IN HEAD STYLE
HEAVY DUTY, “HIGH PERFORMANCE SPIRAL RIB”
Data Sheet
TABLE I
CODE
NO. |
T
THREAD |
A
DIA
± .010 |
B
SELF-LOCK
± .06 |
C
DIA
± .010 |
INSTALL
HOLE
+.010 / -.000 |
632 |
6-32 UNJC |
.500 |
.12 |
.427 |
.468 |
832 |
8-32 UNJC |
.500 |
.12 |
.427 |
.468 |
1032 |
10-32 UNJF |
.531 |
.12 |
.458 |
.500 |
|
420 |
1/4-20 UNJC |
.594 |
.16 |
.521 |
.562 |
428 |
1/4-28 UNJF |
.594 |
.16 |
.521 |
.562 |
|
518 |
5/16-18 UNJC |
.656 |
.20 |
.583 |
.625 |
524 |
5/16-24 UNJF |
.656 |
.20 |
.583 |
.625 |
|
616 |
3/8-16 UNJC |
.719 |
.20 |
.646 |
.687 |
624 |
3/8-24 UNJF |
.719 |
.20 |
.646 |
.687 |
|
714 |
7/16-14 UNJC |
.781 |
.20 |
.708 |
.750 |
720 |
7/16-20 UNJF |
.781 |
.20 |
.708 |
.750 |
|
813 |
1/2-13 UNJC |
.844 |
.20 |
.771 |
.812 |
820 |
1/2-20 UNJF |
.844 |
.20 |
.771 |
.812 |
|
 |
TABLE II
DASH
NO. |
L ± .03
LENGTH |
MINIMUM FULL THREAD DEPTH |
#6 |
#8 |
#10 |
1/4 |
5/16 |
3/8 |
7/16 |
1/2 |
-5 |
.312 |
.162 |
.162 |
— |
— |
— |
— |
— |
— |
-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 |
.400 |
.400 |
|
-14 |
.875 |
.276 |
.328 |
.375 |
.500 |
.600 |
.600 |
.525 |
.525 |
-16 |
1.000 |
.276 |
.328 |
.375 |
.500 |
.625 |
.725 |
.650 |
.650 |
-18 |
1.125 |
.276 |
.328 |
.375 |
.500 |
.625 |
.750 |
.775 |
.775 |
|
-20 |
1.250 |
.276 |
.328 |
.375 |
.500 |
.625 |
.750 |
.874 |
.900 |
-22 |
1.375 |
.276 |
.328 |
.375 |
.500 |
.625 |
.750 |
.874 |
1.000 |
-24 |
1.500 |
.276 |
.328 |
.375 |
.500 |
.625 |
.750 |
.874 |
1.000 |
EXAMPLE: PART NUMBERING SYSTEM

|
TABLE III
DASH
NO. |
SKIN THICKNESS INSTALL SIDE |
-1 |
.010-.019 |
-2 |
.020-.029 |
-3 |
.030-.039 |
-4 |
.040-.049 |
-5 |
.050-.059 |
-6 |
.060-.069 |
-7 |
.070-.079 |
-8 |
.080-.089 |
-9 |
.090-.099 |
|