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 5915-01-533-0591
NSN 5920-00-874-1155
NSN 5975-00-677-7803
NSN 5960-00-874-4857
NSN 6150-01-521-2775
NSN 6645-01-513-0117
NSN 5998-01-090-4071
NSN 5990-01-595-9441
NSN 5895-01-507-5708
NSN 6105-00-509-4482
NSN 6130-00-500-7100
NSN 6145-01-201-4347