Hollow-end mill fits in drill press, spot faces the front rivet to take
off just the peened area. Often lets you re-peen the existing rivet
and eliminate rebluing the receiver.
SPECS: Steel shaft, hardened steel cutter. 2½" (6.3cm) long,
.31" (7.8mm) shaft diameter. .143" (3.6mm) cutter diameter.
Catalog page 478