MIL-D-22233D
21 June 1991
SUPERSEDING
MIL-D-22233C
12 July 1977
MILITARY SPECIFICATION
DRILL RODS, COUPLING, SHANKS, ROCK BITS, AND EXTRACTOR,
FOR DRIFTER DRILLS
This specification is approved for use by all Departments and
Agencies of the Department of Defense.
1.
SCOPE
1.1 Scope. This specification covers drill string components consisting
of drill rods, couplings, shanks, replaceable rock bits, and extractor, for
use with drifter drills.
1.2 Classification. The drill string components are one of the following
types, styles, and sizes, as specified (see 6.2):
Type I - Drill rod.
Size A - 6-foot length.
Size B - 10-foot length.
Size C - 12-foot length.
Type II - Coupling.
Type III - Shank.
Style A - Tangential lug.
Style B - Four spline.
AMSC N/A
FSC 3820
DISTRIBUTION STATEMENT A. Approved for public release; distribution is
unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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