DRILL BUSHINGS
- 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 |
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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 |
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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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