Zorlun Adjustable Hand Reamer Machine Cutting Tools 6 7 8 9 10 11 12 13 15 17 19 21 23 26 29 30mm(12.75-13.75mm). Made of high speed material, adjustable range. Fit for A3 steel, alloy steel, cast iron, cast steel, aluminum and other metal materials, etc. Functions:The reamer are used to avoidance the rotating tool that has been machined to the thin metal layer of the surface. The precise size and shape can be obtained after the hole is machined through the reamer. Scope of application: Reamer is used for reaming the drilled (or reamed) holes on the workpiece, mainly to improve the machining accuracy of the holes and reduce the surface roughness. It is a tool for finishing and semi finishing the holes. Package included:1pcs Farbe:One Color
