Technical Information for Spade Drill A\ Holder selection Instllation diagram Drum tool rest Taper sleeve Transition sleeve Diagram of outside cooling — inside cooling on drilling machine Schematic diagram of oil ring assembly a y 1 n ?/ f Drive rodFixed nutOil ringSealed ring Bead flange rf Bead flangeGasket Cooling nozzle A cooling pipe Supply rng decomposition of a graph 679 680