- In machining, a
counterbore (symbol: ⌴) is a
cylindrical flat-bottomed hole that
enlarges another coaxial hole, or the tool used to
create that feature...
- with or
below the
surface of the
surrounding material (by comparison, a
counterbore makes a flat-bottomed hole that
might be used with a socket-head cap****)...
-
where the bolt's head will sit,
which is
often done by
cutting a
shallow counterbore, just deep
enough "to
clean up"—that is, only
enough material is removed...
-
plastic that, on the crankarm, is
snapped or ****ed into the
threaded counterbore,
which houses the bolt that
holds the
crankarm to its axle, the bottom...
-
glued although it is not necessary. In
solid timber work it is
common to
counterbore a hole in the
frame or
carcase member to
conceal the head of the ****...
-
Soviet Union, but also its
various satellite nations. Many of
these were
counterbored post-war.
Model 1891/59 Carbine:
Commonly called "91/59s," the M1891/59s...
-
typically flanged, and may fit into
standard Allen hex
socket cap ****
counterbores molded or
machined into
parts to be fastened.
Compared to
Allen hex sockets...
- grip 28-2 1969
Change to N
serial number 28-2 1982
Eliminate cylinder counterbore and
pinned barrel,
change to
cylinder length to 1.57" 28-3 1986 Model...
- a
blind rivet nut, or rivnut, is a one-piece
internally threaded and
counterbored tubular rivet that can be anc****d
entirely from one side. It is a kind...
- operations, like truing,
making fillets, chamfers, countersinking,
counterboring, etc. It may also
receive various surface treatments and finishes. The...
