| Patents for B23B 51 - Tools for drilling machines (12,490) |
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| 05/23/2002 | WO2002040206A1 Small drill |
| 05/22/2002 | EP0923422B1 Cutting insert for drilling and drill |
| 05/22/2002 | CN1085128C 钻削工具 Drilling Tools |
| 05/16/2002 | US20020057951 Rotatable tool having a replaceable cutting tip secured by a dovetail coupling |
| 05/16/2002 | DE10053710A1 Drill bit set and screws used for fixing, assembling and joining objects comprises a screw with a screw head having a recess and a drill bit having a tip with a protrusion which engages in the recess of the screw head |
| 05/15/2002 | EP1205563A1 Surface decarburization of a drill bit having a refined primary cutting edge |
| 05/15/2002 | EP1204503A1 Deep hole drill |
| 05/15/2002 | EP1204502A1 Support pad |
| 05/15/2002 | CN2491165Y Straight reverse spiral drill |
| 05/09/2002 | US20020054799 Cutting tools for drilling concrete, aggregate, masonry or the like materials |
| 05/09/2002 | US20020054797 Rotary Cutter |
| 05/09/2002 | US20020053473 Head for a rock drill |
| 05/09/2002 | US20020053472 Twist-drill bit |
| 05/08/2002 | EP1203828A1 Surface decarburization of a drill bit having a refined primary cutting edge |
| 05/08/2002 | EP1203639A2 Hand tool for stripping material |
| 05/08/2002 | DE10054850A1 Drill bit for rock has annular hollow drilling crown with axial connection surface at least partly against endface of spiral shaft |
| 05/08/2002 | DE10053344A1 Gesteinsbohrer Rock drill |
| 05/08/2002 | DE10053343A1 Twist drill has shaft between insertion end and tool-head, with peripheral helical groove , protuberances and cavities, along periodically modulated curve |
| 05/08/2002 | DE10053342A1 Wendelbohrer Twist drill |
| 05/08/2002 | CN2489904Y Micro-bit |
| 05/07/2002 | US6382885 Tool extender and tool assembly |
| 05/02/2002 | WO2002034441A1 Rotatable tool having a replaceable cutting part at the chip removing free end of the tool |
| 05/02/2002 | WO2002034438A2 Drill, screw and set comprising drill and screw |
| 05/02/2002 | US20020051693 Taper implant and a screw-fastening structure using a taper implant with female threads |
| 05/02/2002 | EP1200222A1 Drill bit having a replaceable cutting head |
| 05/01/2002 | CN2488627Y Anti-slip twist drill with automatic fastening function |
| 05/01/2002 | CN2488626Y Self-drilling bolt |
| 04/30/2002 | US6379089 Separation type hole saw |
| 04/25/2002 | US20020046885 Rock drill |
| 04/25/2002 | US20020046784 Applying a treatment fluid in lieu of cutting oil during the fabrication of the cutting tool, which include a compound containing phosphorus and nitrogen/hydrogen groups, forming phosphorus based protective layer and hydrid and nitride |
| 04/25/2002 | US20020046629 Drill for drilling, a method for making a drill for drilling, and a cutting tool |
| 04/24/2002 | EP1199126A1 Heat absorbing throw-away tip and heat absorbing throw-away tool using the throw-away tip |
| 04/24/2002 | CN2487478Y Swallow drill |
| 04/23/2002 | US6375396 Hole cutting tool with drill pilot |
| 04/19/2002 | CA2323976A1 Shaft extensions, adapters and shaft extension kits for hand-held power tools |
| 04/18/2002 | US20020044844 Drill and surface insensitive starting drill for difficult materials and deep holes |
| 04/18/2002 | US20020044843 Hole forming tool |
| 04/18/2002 | DE10046799A1 Cutting tool used for drilling shear connector holes in gas concrete comprises a holding tube provided with a drill holder and holding a blade tilted by an operating unit |
| 04/17/2002 | EP1197630A1 Masonry drill bit |
| 04/17/2002 | EP1196262A1 Drill unit with three cutting edges |
| 04/17/2002 | EP0788417B1 Method of machining composites |
| 04/17/2002 | CN1344607A Bit of rock drilling machine |
| 04/17/2002 | CN1344606A Bit of rock drilling machine |
| 04/16/2002 | US6371702 Spade blade drill and method of making |
| 04/16/2002 | CA2061591C Tool bit and tool bit holder for hand held tools |
| 04/11/2002 | WO2002028599A2 Method and apparatus for making a cutting tool having a plurality of margins |
| 04/11/2002 | WO2002028593A2 Method and apparatus for making a cutting tool having a flute |
| 04/11/2002 | WO2002028578A2 Cutting tool and method and apparatus for making the same |
| 04/11/2002 | US20020041798 Drill with countersinker for chip removing machining |
| 04/11/2002 | US20020040848 Method of smoothing diamond coating, and method of manufacturing diamond-coated body |
| 04/11/2002 | US20020040813 Twist drill bit for rock drilling |
| 04/11/2002 | US20020040527 Hand tool for removing material |
| 04/11/2002 | DE10047332A1 Werkzeug mit Wendel Tool with spiral |
| 04/10/2002 | EP1037724B1 Multi-bit drill |
| 04/09/2002 | US6368032 Chamfer cutter |
| 04/09/2002 | CA2204957C Fastening apparatus for and method of setting fastening elements |
| 04/04/2002 | WO2002026430A1 Tool and countersinker for chip removing machining |
| 04/04/2002 | DE10044972A1 Werkzeug und Verfahren zur spanenden Bearbeitung von Werkstücken Tool and method for machining of workpieces |
| 04/03/2002 | EP1193014A1 Mandrel assembly for hole saw and drill bit |
| 04/03/2002 | EP0951375B1 Holesaw |
| 04/03/2002 | EP0859679B1 Drilling tool with replaceable bit |
| 04/03/2002 | CN1343153A Self-adhering drill and cutter |
| 04/03/2002 | CN1342538A Compound tool |
| 03/28/2002 | US20020037201 Plug ejecting hole saw with twist-locking interchangeable saw cups |
| 03/28/2002 | DE10042990A1 Rundlauf-Schneidwerkzeug, z. B. Bohrer A rotary cutting tool, eg. As drill bits |
| 03/27/2002 | EP1190797A1 Drilling tool |
| 03/27/2002 | EP1189547A2 Security device comprising a stop member for drilling instrument used in particular in dental surgery and device pre-calibrating and storing drilling depth |
| 03/27/2002 | EP0994759B1 Compass saw device with ejector facility |
| 03/27/2002 | CN2483130Y High speed and chip-removing drilling bit |
| 03/27/2002 | CN2483129Y Drilling bit with double cutting surface |
| 03/27/2002 | CN1081508C Cutter holder of rotary cutting tool |
| 03/27/2002 | CN1081503C Fastening arrangement for cutting insert and cutting insert intended for such arrangement |
| 03/21/2002 | WO2001065048A3 Rock drill |
| 03/21/2002 | DE10043016A1 Bohrnutenfräser Slot drills |
| 03/21/2002 | DE10043015A1 Zerspanungswerkzeug mit direkter Schneidplattenanlage Cutting tool insert with direct investment |
| 03/21/2002 | DE10040309C1 Shaping of drill tool bodies lays a cut length of an extruded cylinder body with straight inner recesses on a support surface to be twisted by a friction surface system to give inner helical recesses for sintering |
| 03/20/2002 | EP1187695A1 Snap-in chuck assembly, snap-in tool and tool drive system |
| 03/20/2002 | EP1187693A1 Device for drilling a conical zone in a hole |
| 03/20/2002 | EP0843772B1 Cutting tool for drilling concrete, aggregate or masonry |
| 03/20/2002 | CN1340403A Metal cutting tool with direct-mounted cutting disc |
| 03/20/2002 | CN1340394A Cutter for drilling and shaving groove |
| 03/20/2002 | CN1081116C Hollow boring it with hollow cylinder support |
| 03/19/2002 | US6357973 Connection device of boring saw |
| 03/19/2002 | US6357972 Tool and method for cutting holes in film |
| 03/19/2002 | CA2319856A1 Reverse metal drill |
| 03/14/2002 | US20020031440 Cemented carbide manufactured from tungsten carbide, cobalt and ruthenium powder metallurgy having improved wear and chipping resistance |
| 03/14/2002 | US20020029661 Complex tool |
| 03/14/2002 | DE10043428A1 Gesteinsbohrer Rock drill |
| 03/14/2002 | DE10043417A1 Gesteinsbohrer Rock drill |
| 03/13/2002 | EP1186367A1 Complex tool |
| 03/13/2002 | EP1186366A1 Tool and method for machining work pieces |
| 03/13/2002 | EP1185391A1 Machining tool |
| 03/13/2002 | EP1017527B1 Continuous extrusion process and device for rods made of a plastic raw material and provided with a spiral inner channel |
| 03/13/2002 | CN2481440Y Strong hard alloy drill |
| 03/13/2002 | CN2481439Y Hexagonal handle drill bit |
| 03/12/2002 | US6354772 Cutting tool |
| 03/12/2002 | CA2233674C Rotary tool with shank |
| 03/07/2002 | WO2002018082A1 Rotative cutting device, e.g. drill |
| 03/07/2002 | US20020028120 Metal cutting tool with direct cutting plate arrangement |
| 03/07/2002 | US20020028117 Quick change mandrel assembly for use with a hole saw and a pilot drill bit |