High Strength Water-well Drill Rig Drilling Forks

High Strength Water-well Drill Rig Drilling Forks Description Diameter 57mm or 65mm Material:high quality carbon steel forging and forming. Shape:flat and durable Using:tool for holding the drill bit at the hole. High strength and long arms. The opening of the wrench is quenched Forks types and specifications Coupling,padding fork Φ57、Φ65、Φ75、Φ121、Φ156 Screw tap Φ57、Φ73、Φ89、Φ108、Φ114、Φ127、Φ146、Φ168 Drill rod fork Φ60、Φ71、Φ89、Φ114 Casting tube fork Φ44/Φ57、Φ73/Φ89、Φ108/Φ127、Φ146/Φ168、Φ114