Tapered Drill Rods (Forged Collar Tapper Rods ,rubber collared taper rods) Tapered drill rod, another name called taper rod or conical drills, tapered drill steels from rock drilling tools manufacturer ProDrill which provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths available from 0.6 meters to 3.6 meters in length—are measured from the collar to the rock drill bits end. #TaperedDrillRods #Rocktools #DrillingTools #Prodrill #ForgedCollar #rubbercollared #rod #Taper7° #Taper11° #Taper12° #conicaldrills #tapereddrill https://www.instagram.com/p/B9OWNKwgfm-/?igshid=e371rx8cxi02