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- GUN
DRILL
BUSHINGS
Type
DGDB
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| TYPE
DGDB: These are also made to the
same high standards as (r)'s
other Gun Drill Bushings. The I.D. is
ground concentric to the O.D. within
.0002 T.I.R., and the face is also square
to the I.D. within .0002 T.I.R. The
head is undercut and ground square to
the O.D. The O.D. of length "D" is left
unground. DGDB Bushings are made from
Alloy Steel hardened to 62-64 RC. Special
sizes and material are available on
request. |
| TYPE DGDB
DEEP HOLE GUN DRILL BUSHINGS |
P/N |
(A) I.D. RANGE |
(B) OUTSIDE DIAMETER |
(C) LENGTH
(UNDER HEAD) |
(D) |
(F) |
(J) |
(R) |
LOCK
SCREWS |
NOMINAL |
ACTUAL |
DGDB-88-30 |
3/16
- 1-1/16
(.1875) (1.0625) |
1-3/8 |
1.3750
1.3748 |
1-7/8 |
1/2 |
1-51/64 |
25/32 |
1-7/64 |
LS-2 |
DGDB-88-38 |
1/4-1-1/16
(.2500) (1.0625) |
2-3/8 |
1 |
DGDB-88-46 |
9/32
- 1-1/16
(.2813) (1.0625) |
1-3/8 |
1.3750
1.3748 |
2-7/8 |
1-1/2 |
1-51/64 |
25/32 |
1-7/64 |
LS-2 |
DGDB-88-54 |
5/16
- 1-16
(.3125) (1.0625) |
3-3/8 |
2 |
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