Stone Chuck Brass

3 / 16 ” Chuck (No Drill) Adjustable collet will hold drills up to 1/14”. Cast iron construction with wooden grip; hand powered.

With slide cover enabling you to use only the size that you need. Drills from size 0.30mm to 1.5mm1106A Size: 61 - 80 @ US$ 4.00/box

End of wood is bored and reinforced so that it can be threaded onto a polishing motor. The collets will use /” and ⅛” shank mandrels.