R8 End Mill Holders, 4 Pieces Set, 3/8, 1/2, 3/4, 1 Inch Bore, 7/16"-20 Thread, for Milling Machine
Specification:
Bore: 3/8, 1/2, 3/4, 1 Inch
Drawbar Thread: 7/16"-20
Package Includes:
4 x End Mill Holders
Features:
1.Features a 7/16"-20 drawbar thread, making it suitable for most R8 spindle mills and vertical milling machines.
2.Accurately-ground concentricity reduces tool run-out significantly, resulting in smoother cutting action, improved surface finish, and extended tool life.