| Patents for B23B 41 - Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor (5,345) |
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| 01/16/2013 | CN202667714U Automatic hole puching machine for badminton racket frame |
| 01/16/2013 | CN202667713U Automatic positioning and clamping device used for machining hole in axle housing |
| 01/16/2013 | CN202667712U Double-boring cutter processing device for boring oil bushing |
| 01/16/2013 | CN202667711U Axle suspension bush boring lathe for traction motor of locomotive |
| 01/16/2013 | CN102873550A Numerical control machining rotating table for guide blade shaft holes of water distribution ring of water turbine |
| 01/16/2013 | CN102873549A Processing working table of guide vane shaft hole of inner and outer water distribution rings of turbine |
| 01/16/2013 | CN102873369A Coarse and fine composite boring device of coaxial sleeve part |
| 01/16/2013 | CN102873368A 导板钻 Drill guides |
| 01/16/2013 | CN102873367A Three-shaft numerical control deep hole drilling machine for processing multi-deep-hole workpiece |
| 01/16/2013 | CN102873366A Drilling machining lathe of multi-type pipes |
| 01/16/2013 | CN102294503B Tool for processing air extracting pipe of condenser of turbine |
| 01/10/2013 | DE10210844B4 Ventil-Anbohrarmatur Valve tapping machine |
| 01/09/2013 | CN202656000U Lead screw protection device for deep hole drilling and boring machine |
| 01/09/2013 | CN202655952U Boring tool of large size water valves |
| 01/09/2013 | CN202655683U Full automatic lateral exhaust anode drilling machine |
| 01/09/2013 | CN202655682U Once drilling forming device for outer circle of shaft sleeve |
| 01/09/2013 | CN202655681U Deep hole puncher applied to die |
| 01/09/2013 | CN202655680U Deep hole boring machine modified by lathe |
| 01/09/2013 | CN202655679U Deep hole drill for drilling intersected holes |
| 01/09/2013 | CN202655678U Numerical-control precise boring grooving machine tool |
| 01/09/2013 | CN202655677U Drill bit device |
| 01/09/2013 | CN202655676U Special three-position stationary-type boring-milling machining machine |
| 01/09/2013 | CN202655675U Precision boring machining die set for six-hole automatic winding machine stand |
| 01/09/2013 | CN102861936A Boring machine for inner wall of drying drum |
| 01/09/2013 | CN102259202B Machining device for pivoting support holes |
| 01/03/2013 | DE112011101132T5 Verbessertes Rückbohren von mehrlagigen Schaltkreisplatinen Improved back drilling of multilayer circuit boards |
| 01/02/2013 | CN202639994U Feeding plate of drilling equipment for impeller shaft of washing machine |
| 01/02/2013 | CN202639992U Mechanical arm of washing machine impeller shaft drilling equipment |
| 01/02/2013 | CN202639932U Drill clamp for processing inclined oil channel hole |
| 01/02/2013 | CN202639423U Drilling device for eyelet bolt |
| 01/02/2013 | CN202639410U Gapless rotating positioning working table of automobile brake pad drilling machine |
| 01/02/2013 | CN202639402U Equipment for machining lock shell of motorcycle electric door lock |
| 01/02/2013 | CN202639401U Automatic thin plate punching device |
| 01/02/2013 | CN202639400U PCB (Printed Circuit Board) drilling device |
| 01/02/2013 | CN202639399U Device for manufacturing mechanical blind hole board of PCB (Printed Circuit Board) |
| 01/02/2013 | CN202639398U Automatic punching device |
| 01/02/2013 | CN202639397U Flywheel rectifying device |
| 01/02/2013 | CN202639396U Bearing ring drilling device |
| 01/02/2013 | CN202639395U Three-station drilling machine special for automobile braking lining |
| 01/02/2013 | CN202639394U Special machine tool for machining engine crankshaft oil duct holes |
| 01/02/2013 | CN202639393U Drilling machine with fixed drills of four stations special for automobile brake pad |
| 01/02/2013 | CN202639392U Device for numerical control lathe to drill deep holes |
| 01/02/2013 | CN202639391U Chain milling head |
| 01/02/2013 | CN202639390U 180-degree countersunk hole printed circuit board (PCB) production device |
| 01/02/2013 | CN202639389U Device for machining two ends of steel pipe simultaneously |
| 01/02/2013 | CN202639388U High-precision boring device |
| 01/02/2013 | CN202639387U Axle housing shaft head inner bore profiling machining specialized machine |
| 01/02/2013 | CN202639386U Balance shaft end surface drilling device |
| 01/02/2013 | CN102847975A Valve hole processing device of sheet type reversing valve |
| 01/02/2013 | CN102847974A Multiple-spindle boring machine |
| 12/27/2012 | US20120325056 Damaged bolt and screw removing devices |
| 12/26/2012 | CN202622010U Sleeve caulking groove-type machining tool with circlip connection structure |
| 12/26/2012 | CN202621993U Numerical control heavy type deep hole drilling boring mill double rack feeding mechanism |
| 12/26/2012 | CN202621978U Drilling machine for spray nozzle body |
| 12/26/2012 | CN202621977U Multi-bit drilling machine |
| 12/26/2012 | CN202621976U Drilling device of ultra-large printed circuit board |
| 12/26/2012 | CN202621975U Five-shaft floating pressure drilling machine |
| 12/26/2012 | CN202621974U Movable boring device |
| 12/26/2012 | CN202621973U Fly-cutter plate for boring fork type workpiece |
| 12/26/2012 | CN102837030A Small-sized hole machining device |
| 12/19/2012 | EP2533925A1 Cutter assembly |
| 12/19/2012 | CN202606925U Safe gas guide type gas pipeline under-pressure tapper |
| 12/19/2012 | CN202606924U Deep-hole drilling machine |
| 12/19/2012 | CN202606923U Cylinder type gate hole boring machine |
| 12/19/2012 | CN202606922U Truss type main beam double-hole boring device |
| 12/19/2012 | CN202606921U Clamp for processing inner hole of sodium filling valve |
| 12/19/2012 | CN202606920U Numerical control machine tool for processing piston pin holes |
| 12/19/2012 | CN202606919U Punching device and punching machine using same |
| 12/19/2012 | CN102835196A Improved backdrilling of multilayer printed circuit boards |
| 12/19/2012 | CN102825300A Taper hole boring device of NC (Numerical Control) boring lathe |
| 12/19/2012 | CN102825299A Taper hole processing device of NC (Numerical Control) boring lathe |
| 12/19/2012 | CN102825298A Tapered hole boring device configured on numerical control boring machine |
| 12/19/2012 | CN102825297A Taper hole boring device for numerical control boring mill |
| 12/19/2012 | CN102825296A Tapered hole boring device of numerical control boring machine |
| 12/19/2012 | CN102825295A Taper hole boring device of numerical control boring mill |
| 12/19/2012 | CN102825294A Safety drilling machine for testing |
| 12/19/2012 | CN102825293A High-efficiency deep hole pull boring machine |
| 12/19/2012 | CN102825292A Lower connecting plate drilling hole drill rig |
| 12/19/2012 | CN102825291A Porous boring machine |
| 12/19/2012 | CN102078981B Precise boring machining assembly for realizing multi-meter level span micron-level coaxial precise holes |
| 12/13/2012 | US20120312391 Cutter assembly |
| 12/12/2012 | CN202592106U Boring hole fixing device of motor front flange cover |
| 12/12/2012 | CN202592013U Multi-angle limiting clamp device for large beam hole-boring |
| 12/12/2012 | CN202592012U Fixture for boring of large beams |
| 12/12/2012 | CN202591682U Multifunctional deep hole drill guiding device |
| 12/12/2012 | CN202591671U Drilling and pin-striking machine |
| 12/12/2012 | CN202591670U Porous drill |
| 12/12/2012 | CN202591669U Numerical control precision boring machine for pendulous sheet |
| 12/12/2012 | CN202591668U Numerical control double-ended boring machine for machining connecting rods |
| 12/12/2012 | CN102814526A Deep hole drilling device |
| 12/12/2012 | CN102814525A Drilling device for argon inflation by drilling |
| 12/12/2012 | CN102814524A Hole distribution method and hole distribution device for circular structure |
| 12/12/2012 | CN102814523A Fixed shaft boring structure |
| 12/12/2012 | CN102814516A Boring head for boring non-circular holes |
| 12/12/2012 | CN101758261B Boring machine for boring concentrated pipe bevel |
| 12/06/2012 | US20120308321 Repair device |
| 12/06/2012 | US20120305097 Tapping device with hand protector |
| 12/05/2012 | CN202571995U Deep hole vibrocutting auxiliary support damping device based on magnetorheological fluid |
| 12/05/2012 | CN202571872U Drilling clamp of installation seat of automobile engine |
| 12/05/2012 | CN202571387U Clamp for fine boring of cylinder body |