R 3-6 Mandrels and Stones
The R 3-6 Honing Unit is a wide range Honing Unit for use on all competitive industrial manually stroked Honing Machines
It is designed for multi-purpose use in the production watchmaker range ( below .100 inch diameter).
especially designed to give a wide range of size use without requiring the large investment in Stones ( and Mandrels and
Wedges ) required for replacement to cover the wide range of hole enlargement and finishing occurring in many shops and
factories. It is ideal for polishing and achieving the desired micro-inch finish. This Honing Unit is capable of removing
stock and correcting taper and out-of-round (if a production requirement exists, order the heavy-duty Mandrel, example:
R 6100H to exact hole size required ). Stones for this mandrel may be ordered by the box or package of One Dozen.
When ordering designate the mandrel group ( 3-6 ) followed by the stone size, Grit and Grade desired.
How To Set Up This Unit
We believe this Micro-Bore Hone Set has the widest range and is the most economical in the industry. The wide range of
this unit requires more care in setting, but requires no investment in special units. Therefore to obtain accuracy with
greatest economy and prevent ruining stones through incorrect use please note carefully the following: