R8 TAPER THREADED FOR DRAW BAR 7/16 UNF. SUPPLIED WITH R8 SHANK AND 9 PCS BRAZED TOOL SET( SIZE 12mm) and round fly cutter set of 3 pcs. Boring head is threaded 1-1/2" x 18 tpi. The boring head is made of steel durable and has long service life.
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