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