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- GUN
DRILL
BUSHINGS
Type
GDB
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TYPE
GDB: (r) type GDB Bushings
are heat treated to RC 62-64 and ground
concentric within .0002 T.I.R. The head
is undercut and ground square to the
O.D. and the face is square to the inside
diameter within .0002 T.I.R. |
TYPE GDB
GUN DRILL BUSHINGS |
P/N |
(A) I.D. RANGE |
(B) OUTSIDE DIAMETER |
(C) LENGTH
(UNDER HEAD) |
(F) |
(J) |
(R) |
LOCK
SCREWS |
NOMINAL |
ACTUAL |
GDB-64-16 |
1/8-25/32
(.1250) (.7813) |
1" |
1.0000
.9998 |
1" |
1-27/64 |
19/32 |
59/64 |
LS-2 |
GDB-64-22 |
1/4-1-1/16
(.2500) (.7813) |
1-3/8 |
GDB-88-16 |
3/16-1-1/16
(.1875) (1.0625) |
1-3/8 |
1.3750
1.3748 |
1" |
1-51/64 |
25/32 |
1-7/64 |
LS-2 |
GDB-88-22 |
1/4-1-1/16
(.2500) (1.0625) |
1-51/64 |
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