Conical Reamer 1:50 Hand Reamer CNC Tools 3/3.5/4/4.5/5/5.5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/22/25/30mm Extended

Diameter: 3mm,3.5mm,4mm,4.5mm,5mm,5.5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm,17mm,18mm,19mm,20mm,22mm,25mm,30mm

Hard and durable.
Reamers are used for general reaming applications for ferrous metals and most non-ferrous metals.which can produce smooth and precise holes while prolonging the tool life.