8-1/2" IADC S323 Oil Well PDC Drill Bit with Steel Body for Hard Rock buy it!
$2,100.00
Pdc Bit Bq Nq Hq Diamond Core Drill Bits For Hard Rock buy it!
$80.00-$200.00
High quality PERU Boart style taper button bit 11 degree 7 button 38mm/36mm rock drilling tools rockbit for hard rock Peru
$4.55-$4.65
