For grooves inside blind hole.
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
3M 26128, PPS Series 2.0 Adapter, Type S33, 1/8 Female, 27 Thread NPT, 7100135950
3M 64804, Scotch-Brite EXL Unitized Mounted Point, W163 x 1/8 in 8S FIN, 3M 7010300871
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
3M 26128, PPS Series 2.0 Adapter, Type S33, 1/8 Female, 27 Thread NPT, 7100135950
3M 64804, Scotch-Brite EXL Unitized Mounted Point, W163 x 1/8 in 8S FIN, 3M 7010300871
For grooves inside blind hole.
