1/2 in sq dr, to accomodate lock fasteners
A cutting tool with a fluted body. When without handle, it has a straight round shank with squared end or a bit stock shank. It may have a t-handle, a ratchet handle or a round knurled handle. It is used for finishing to size, or enlarging, a previously formed hole. Excludes helical fluted taper pin type reamer items having a straight round shank with squared end and items with straight shanks covered under reamer, machine and countersink.
Classification: Tools for drilling other than twist drills, nt for rock drilling, cutting parts gt 0.2 pct chromium, molybdenum, tungsten, or gt 0.1 pct vanadium
NSN 6320-01-554-0901
NSN 5925-01-112-0839
NSN 6145-01-564-8304
NSN 6650-01-300-8230
NSN 5950-01-152-3042
NSN 6135-01-260-7180
NSN 6145-00-738-5601
NSN 6220-01-488-9416
NSN 5975-01-496-3368
NSN 6620-01-101-4408
NSN 5935-01-370-2318
NSN 5920-00-206-3595