Carbide shank; 3 degree lead; negative n/p; triangle
An internal turning tool, usually having a single cutting point, used to enlarge a hole, to finish to size, and to insure its being true with a specificed center line.
Dept. of the Army
Dept. of the Air Force
Dept. of the Navy Classification: Othr boring tools nesoi and parts throf
NSN 6240-00-141-6143
NSN 5999-00-168-1888
NSN 6645-00-449-4446
NSN 6320-01-381-7023
NSN 5915-01-242-6892
NSN 6610-01-444-2050
NSN 5905-01-585-9397
NSN 5930-01-327-3744
NSN 5920-01-634-0250
NSN 6150-00-470-4759
NSN 4140-01-463-9299
NSN 7035-01-261-9850