Tools for drilling machines

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23BTURNING BORING

B23B51/00Tools for drilling machines

B23B51/0009Spade drills B23B51/0018Drills for enlarging a hole B23B51/0027by tool swivelling B23B51/0036by a tool-carrying eccentric B23B51/0045by expanding or tilting the toolhead B23B51/0054Drill guiding devices B23B51/0063Centerdrills B23B51/0072Drills for making non-circular holes B23B51/0081Conical drills B23B51/009Stepped drills B23B51/02Twist drills B23B51/04Drills for trepanning B23B51/0406Drills with a tubular body B23B51/0413with core-cutting-off devices B23B51/042with lubricating or cooling equipment B23B51/0426with centering devices B23B51/0433with exchangeable cutting inserts B23B51/044with core holding devices B23B51/0446with exchangeable cutting inserts B23B51/0453with ejecting devices B23B51/046with exchangeable cutting inserts B23B51/0466with exchangeable cutting inserts B23B51/0473details about the connection between the driven shaft and the tubular cutting part B23B51/048with exchangeable cutting inserts B23B51/0486with lubricating or cooling equipment B23B51/0493with exchangeable cutting inserts B23B51/05for cutting discs from sheet B23B51/06Drills with lubricating or cooling equipment B23B51/08Drills combined with tool parts or tools for performing additional working B23B51/10Bits for countersinking B23B51/101Deburring tools B23B51/102Back spot-facing or chamfering B23B51/103Deburring or chamfering tools for the ends of tubes or rods B23B51/104with stops B23B51/105Deburring or countersinking of radial holes B23B51/106with a toolholder moving along a direction oblique to the axis B23B51/107having a pilot B23B51/108having a centering twist drill B23B51/12Adapters for drills or chucks Tapered sleeves B23B51/123Conical reduction sleeves B23B51/126Tool elongating devices B23B51/14Adapters for broken drills