HEAD M I N G SHALL BE DEPRESSED (.O10 MAX) AND ARRANGED AS FOLLOWS:
W E R ("SAS" OPTIONAL) EXCEPT MARK .1.120-40 SIZE. WITH " k " , ,1380-32 SIZE WITH "6"
AND ,1640-32 SIZE WITH "8". HARK
WITH WUFACTURER'S SYMBOL, GRIP DASH NUMBER, "D", "L" OR "P" WHEN APPLICABLE (1)
AND RECESS NUMBER ENCIRCLED.
OTHER SWBERS. lit" IDENTIFIES BOLT WITH
MARK WITH BASIC
THESE SIZES ALSO TO BE MARKED "V" FOR TITANIUW.
RECESS NUMBER TO BE APPROXIMATELY 25X LARGER THAN
'*DI' IDEKTIFIES BOLT WITH DRILLED S U , "P" IDENTIFIES BOLT WITH PATCH TYPE LOCKING ELDENT ONLY.