50MM BORING HEAD 4MT SHANK. BORING HEAD 50mm DIAMETER, 4MT TAPER, TAKES 12mm BORING TOOLS. THREADED FOR DRAW BAR 16MM. ADJUSTABLE IN 0.02mm GRADUATIONS.The item "RDG TOOLS 50MM BORING HEAD METRIC 4 MORSE TAPER SHANK 4MT FACING MILLING LATHES" is in sale since Thursday, August 10, 2017. This item is in the category "Business, Office & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Machining Centers & Milling Machines". The seller is "rdg355" and is located in YORKSHIRE. This item can be shipped worldwide.