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During installation the body collapses on the back side which grips the inside of the mounting surface.

  • Blind – install from one side
  • Adds threads to thin sheets
  • Thick-wall design for maximum strength
  • Easy installation with manual or power tools

Screen Shot 2016-01-21 at 3.08.08 PM

THREAD
SIZE
BASIC
PART
NUMBER*
GRIP
RANGE
G
BODY
DIAMETER
A
HEAD
DIAMETER
B
HEAD
HEIGHT
C
OPEN END CLOSED END WORK
HOLE
DIAMETER
DRILL
SIZE
LENGTH
L
REF.
H
LENGTH
E
REF.
F
REF.
J

4-40

4-60 .010-.060 .155 .270 .025 .345 .230 .500 .385 .230 .155/.157 5/32
4-85 .060-.085 .370 .230 .525 .385 .230
4-110 .085-.110 .400 .230 .555 .390 .230
4-135 .110-.135 .425 .230 .580 .385 .230
4-160 .135-.160 .450 .230 .605 .385 .230
4-185 .160-.185 .480 .230 .635 .385 .230

6-32

6-75 .010-.075 .189 .325 .032 .438 .300 .625 .490 .405 .189/.193 #12
6-120 .075-.120 .500 .315 .625 .440 .355
6-160 .120-.160 .500 .270 .750 .520 .310
6-200 .160-.200 .562 .290 .750 .480 .260
6-240 .200-.240 .625 .310 .750 .435 .260
6-280 .240-.280 .687 .330 .812 .455 .265

8-32

8-75 .010-.075 .221 .357 .032 .438 .300 .625 .490 .405 .221/.226 #2
8-120 .075-.120 .500 .315 .625 .440 .355
8-160 .120-.160 .500 .270 .750 .520 .310
8-200 .160-.200 .625 .350 .750 .475 .265
8-240 .200-.240 .625 .305 .875 .555 .310
8-280 .240-.280 .687 .340 .875 .530 .290

10-32

10-80 .010-.080 .250 .406 .038 .531 .380 .781 .630 .380 .250/.256 E
10-130 .080-.130 .594 .390 .843 .640 .390
10-180 .130-.180 .641 .390 .891 .640 .390
10-230 .180-.230 .703 .395 .953 .645 .395
10-280 .230-.280 .750 .395 1.000 .645 .395
10-330 .280-.330 .797 .385 1.047 .630 .385

1/4-20

25-80 .020-.080 .332 .475 .058 .625 .450 .937 .760 .440 .332/.388 Q
25-140 .080-.140 .687 .450 1.000 .760 .440
25-200 .140-.200 .750 .450 1.062 .760 .440
25-260 .200-.260 .812 .445 1.125 .755 .445
25-320 .260-.320 .875 .445 1.187 .755 .445
25-380 .320-.380 .937 .445 1.250 .755 .445

5/16-18

31-125 .030-.125 .413 .665 .062 .750 .505 1.187 .940 .550 .413/.423 Z
31-200 .125-.200 .875 .555 1.281 .960 .555
31-275 .200-.275 .937 .540 1.343 .950 .560
31-350 .275-.350 1.032 .560 1.437 .965 .570
31-425 .350-.425 1.125 .580 1.531 .985 .575
31-500 .425-.500 1.187 .565 1.593 .975 .580

3/8-16

37-115 .030-.115 .490 .781 .088 .844 .585 1.281 1.020 .660 .490/.500 12.5mm
37-200 .115-.200 .938 .595 1.375 1.030 .670
37-285 .200-.285 1.031 .605 1.468 1.040 .680
37-370 .285-.370 1.125 .615 1.562 1.050 .690
37-455 .370-.455 1.218 .630 1.656 1.065 .710
37-540 .455-.540 1.312 .635 1.750 1.075 .715

 

FIRST LETTER OF PART NUMBER: LETTER BETWEEN DASH NUMBERS: PART NUMBER EXAMPLES:
A” – Aluminum
S” – Steel
SS” – Stainless – Type 430
NM” – Stainless – Type 300
BR” – Brass
” Open End Round Body
B” Closed End
K” Keyed
H” Full Hexagon Body
A10-80 = Aluminum, Open End

S25B140 = Steel, Closed End
A8K200 = Aluminum, Keyed, Open End
BR6KB120 = Brass, Keyed, Closed End

Metric Threads, Countersunk Heads and various finishes are available. Special sizes can be made to order.
See page w69 for Setting Tools.