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TM 9-254
3-4.
Staking - Continued
Figure 3-4. Staking Threaded Parts
c.
Staking Headed Screws (fig. 3-5).
A recommended procedure for staking headed screws is as follows:
(1)
Be sure that screw (2) is in proper position and tightened.
(2)
Place center punch (3) on screw (2), but not so close to the edge that it will break through the metal of
the screw.
(3)
With a medium weight ball peen hammer, give the punch (3) a solid tap.
(4)
Examine staking hole (1). If the metal has moved enough to lock screw (2), go on to next staking
position.
(5)
If metal has not moved enough, move center punch closer to the edge of the set screwhead, and tap
with hammer.
(6)
Stake second hole in the same manner and check the screw (2) to see that it is locked in place.
Figure 3-5. Staking Headed Screws
3-5
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