Even the hole dia.5 and 45mm long can be burnished with fine finish.
*Surface Roughness : Ra0.4 �� Ra0.2 *Work Piece Material : Aluminum(A2011) *Driving Device : NC Lathe *Tool : CSL500L *Processing Parameters : Rotation Speed�@1,200-2,200min-1    Feed     02.-0.6mm/rev *Work Piece Drawing