Busch 90° Bearing Cutter Burr Fig 414A Set 3.10 to 7.00 mm - TFS414A
AEROSPACE BEARING CUTTERS - AeroStaking
Shank Straight Router Bit 1/2" Woodworking Bearing Flush Trim Router Bit Tool 2-1/2"L x 3/4'' Dia with Long Cutter Top Bearing Flush Trim Bit - Amazon.com