Right hand spiral reamers are good for use in blind holes holes that do not extend all the way through a workpiece , as they pull chips up and out of the hole
Spiral flute reamers are recommended for reaming holes with interruptions, as they prevent damage to the workpiece edge and tool
Round shank tools are cylindrical and should be held in a good quality toolholder in order to prevent the reamer from slipping in high torque applications, which can cause tool freeze, loss of accuracy, and tool damage
Titanium nitride TiN is a gold colored ceramic coating that combines hardness and low friction to extend cutting tool life and permits faster cutting speeds than with uncoated tools
High speed steel is a common general purpose steel for cutting tools, is compatible with a variety of materials, and tends to be lower in price than cobalt steel or carbide