DRILL BUSHINGS

  • GUN DRILL BUSHINGS
    Type DGDB

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
3488 FM 730 North, Decatur, TX 76234
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