DRILL BUSHINGS
- 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 |
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P/N |
(A) I.D. RANGE |
(B) OUTSIDE DIAMETER |
(C) LENGTH (UNDER HEAD) |
(F) |
(J) |
(R) |
LOCK SCREWS |
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NOMINAL |
ACTUAL |
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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 |
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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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