23
Rev. 1/23
GB784SH INSTALLATION TOOL S/N: 1008 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
NOSE ASSEMBLIES
(Sold Separately)
Nose assemblies are not furnished with the tool and must be purchased separately. In ordering heads be sure to specify the shank
diameter and head style (universal or countersunk) of the fasteners to be installed.
The following pulling heads will fit directly on the GB784SH Installation tool. (NOTE: Cherry® 681 series pulling heads fit directly
on the GB784SH).
681 PULLING HEADS
FOR 2000 SERIES CHERRYLOCK RIVETS
CONFORMING TO NAS 1400 & NAS 1740
INSTALLING 681 PULLING HEAD ON INSTALLATION TOOL
1.
Remove knurled cap from front of installation tool head.
2. Place jaw assembly (C) inside collet (B).
3. Insert spring end of jaw assembly into i.d. of head piston. Apply enough pressure to engage collet threads. Turn until collet
bottoms on shoulder of piston and collet lock snaps into slot in piston. Hand tight is sufficient.
NOTE: To remove collet, push collet lock back into collet (using a blunt pointed tool) turning the collet clockwise.
4. Place sleeve assembly (A) over collet and head piston. Slip knurled cap over the sleeve assembly and hand tighten onto end
of installation tool head.
RIVET
NOSE
DIAMETER ASSEMBLY
A
B
3/32"
3U-681-25
.188
.348
3/32"
3C-681-25
.163
.332
1/8"
4U-681-25
.250
.341
1/8"
4C-681-25
.208
.377
5/32"
5U-681-25
.313
.377
5/32"
5C-681-25
.269
.352
3/16"
6U-681-25
.375
.418
3/16"
6C-681-25
.335
.386
1/4"
8U-681-25
.500
.452
1/4"
8C-681-25
.458
.398
DIMENSION
-4
ALL
ALL
ALL
ALL
ALL
ALL
-5
8**
8**
8**
9**
8**
9**
-6
8**
8**
8**
9**
8**
9**
-8
8**
8**
8**
9**
-
-
2563
UNIV.
HEAD
2642
2652
2662
CTSK.
HEAD
GB784
XX-681-25
GAGE BILT
TOOL
STANDARD CHERRYLOCK
(NAS1398 & NAS1399)
NOSE
ASSEMBLY
2162
2262
CTSK.
HEAD
UNIV.
HEAD
2163
2263
2643
2653
2663
UNIV.
HEAD
RIVET
DIAMETER
ALUMINUM
MONEL
STAINLESS
2562
CTSK.
HEAD
Gage Bilt
’
s GB784SH is approved to install the above fasteners.
*
*
*
*
*
*
*
*
*
*
*
*
**
**
GB784
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
UNIV.
HEAD
CTSK.
HEAD
-4
-5
-6
ALL
ALL
2539
2538
ALUMINUM
MONEL
BULBED CHERRYLOCK
ALL
XX-681-25
GAGE BILT
TOOL
2239
2249
NOSE
ASSEMBLY
RIVET
DIAMETER
UNIV.
HEAD
CTSK.
HEAD
2238
2248
*May require 95 PSI at tool.
**Indicates maximum grip
TOOL CAPACITY CHART:
The numbers shown in the fastener columns below are the maximum grip length that can be installed with this tool. Dashes indicate
those fastener sizes which cannot be installed in any grip length.
