150 SERIES
THREADED INSERT, BLIND, REGULAR HEAD STYLE
HEAVY DUTY, "HIGH PERFORMANCE"

TABLE I
CODE
NO.
T
THREAD
A DIA
±.010
B SELF-LK
±.06
C DIA
±.010
INSTALL
HOLE
+.010/-.000
632 6-32 UNC .490 .12 .460 .500
832 8-32 UNC .490 .12 .460 .500
1032 10-32 UNF .520 .12 .490 .530
420 1/4-20 UNC .583 .16 .553 .593
428 1/4-28 UNF .583 .16 .553 .593
518 5/16-18 UNC .646 .20 .616 .656
524 5/16-24 UNF .646 .20 .616 .656
616 3/8-16 UNC .708 .20 .678 .718
624 3/8-24 UNF .708 .20 .678 .718
714 7/16-14 UNC .771 .20 .741 .781
720 7/16-20 UNF .771 .20 .741 .781
813 1/2-13 UNC .833 .20 .803 .843
820 1/2-20 UNF .833 .20 .803 .843
 
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
 
  • Notes:
    1. Threads per MIL-S-7742
    2. Patent No. 4,941,785 and 5,082,405
    3. Number of Spiral Ribs varies with length
    4. Installation tabs are available


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Last Revised: 06/27/2007