| 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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| 04/03/2013 | CN103008720A Automatic circular mould perforating machine |
| 04/03/2013 | CN103008719A Steel plate spring support drilling tool |
| 04/03/2013 | CN103008718A Horizontal hole drill for cooling water passages of diesel engine cylinder liner-mounting holes |
| 04/03/2013 | CN103008717A Pipe flange processing tool in filter valve |
| 04/03/2013 | CN103008716A Semi-automatic butt drilling machine for steel tube drilling |
| 04/03/2013 | CN103008715A Circular mould reaming machine |
| 04/03/2013 | CN103008706A Static pressure boring head structure for irregularly-shaped holes |
| 04/03/2013 | CN102198527B Method for correcting eccentricity of drill type deep hole |
| 03/28/2013 | DE102011114412A1 Device for drilling bores in workpiece, has inner tool that is provided with rotating unit for adjusting size and shape of chips |
| 03/28/2013 | DE102009019998B4 Entgrater und Verfahren zum Entgraten von Bohrrändern in Gasleitungen Deburring and method for deburring Bohrrändern in gas lines |
| 03/27/2013 | CN202825302U Machine tool used for cylinder cover multi-face machining |
| 03/27/2013 | CN202824750U Presser foot switch drive mechanism and presser foot switching mechanism with the same |
| 03/27/2013 | CN202824736U Visible trepanning cutting device |
| 03/27/2013 | CN202824735U Borer for lighter test |
| 03/27/2013 | CN202824734U Machining device of fermium screw hole in inner cavity of generator stator frame |
| 03/27/2013 | CN202824733U Safe drilling machine for test |
| 03/27/2013 | CN202824732U Bearing hole boring and milling machine tool for intermediate shaft of automobile clutch casing |
| 03/27/2013 | CN202824731U Multifunctional numerical control aluminum part machining device |
| 03/27/2013 | CN202824730U Hole drilling machine special for large injection molding machine bottom die |
| 03/27/2013 | CN202824729U Drilling device |
| 03/27/2013 | CN202824708U Double-arm boring bar used for nuclear power plant control rod drive mechanism seal housing |
| 03/27/2013 | CN202824706U Tapered deep hole boring device based on double-conical-face principle |
| 03/27/2013 | CN202824696U Device and cutter for machining inner spigot of part |
| 03/27/2013 | CN102990129A Multifunctional label matrix drilling tool device |
| 03/27/2013 | CN102990116A Drilling bit sealing structure for drilling of papermaking compression roller |
| 03/27/2013 | CN102990115A Drilling bit structure of drilling machine for drilling of papermaking compression roller |
| 03/27/2013 | CN102990114A Drilling machine for drilling of papermaking compression roller |
| 03/27/2013 | CN102990113A Device for turning stainless steel sleeve |
| 03/27/2013 | CN102990112A Angle steel drilling combined machine tool |
| 03/27/2013 | CN102990111A Online ducted type central drilling machine |
| 03/27/2013 | CN102374353B Pipe clamp for drilling under pressure of pipeline |
| 03/20/2013 | EP2569124A1 Method for processing an inner face of a housing having an opening |
| 03/20/2013 | EP2569119A1 Device and method for machining a cylinder bore by means of a geometrically defined cutter and a geometrically undefined cutter |
| 03/20/2013 | CN202812643U Pressure loading diversion valve |
| 03/20/2013 | CN202804274U Drilling device of joint of right-angle pipe |
| 03/20/2013 | CN202804272U 活动导向套装置 Activities guide sleeve device |
| 03/20/2013 | CN202804264U Feed unit for processing deep holes |
| 03/20/2013 | CN202804255U Tapper |
| 03/20/2013 | CN202804251U Automatic drilling machine for battery cover |
| 03/20/2013 | CN202804250U Six-hole boring tool |
| 03/20/2013 | CN202804249U Special drilling machine for Porous porous gear processing special drilling machine |
| 03/20/2013 | CN202804248U Spherical automatic drill machine |
| 03/20/2013 | CN202804247U Simple lifting horizontal drilling device |
| 03/20/2013 | CN202804246U An intelligent drilling and targeting device |
| 03/20/2013 | CN202804245U Refrigeration device for heavy boring connection rod big-end hole |
| 03/20/2013 | CN202804244U Double-end special drilling machine for forged steel valve |
| 03/20/2013 | CN202804243U Double-blade depth locating machining numerically-controlled machine tool for blind hole |
| 03/20/2013 | CN202804242U Beveller device with rotary cutter bar |
| 03/20/2013 | CN202804241U Device for processing 180-degree axle hole of large rotation workpiece |
| 03/20/2013 | CN202804240U Machining device for through holes of cranks of crankshafts |
| 03/20/2013 | CN202804218U Low-stress deep hole working boring bar for nuclear power plant control rod driving mechanism seal shell |
| 03/20/2013 | CN202804217U Self-guided boring bar for nuclear power plant control rod driving mechanism seal shell |
| 03/20/2013 | CN102974862A Steel angle hole drilling combination machine tool |
| 03/20/2013 | CN102974861A Drilling machine for installing butterfly valve porous long label |
| 03/20/2013 | CN102974859A Adjustable middle support device for machining overlength shaft |
| 03/20/2013 | CN102407356B Vertical miniature boring machine for steering engine seat |
| 03/20/2013 | CN102398057B Processing method of a creeper tread |
| 03/13/2013 | CN202780524U Fixture for machining precise boring holes of planet carrier |
| 03/13/2013 | CN202780511U Irregular parts boring clamp |
| 03/13/2013 | CN202779906U Full-automatic racket perforating machine |
| 03/13/2013 | CN202779905U Full-automatic drilling manipulator |
| 03/13/2013 | CN202779904U Speed changer case body three-side drilling machine |
| 03/13/2013 | CN202779903U Processing device for brake hub |
| 03/13/2013 | CN202779902U Self-tuning regulator (STR) steering knuckle support pin hole device of U drills |
| 03/13/2013 | CN202779901U Bench drill with multiple drill bits |
| 03/13/2013 | CN202779900U Double-head drilling device for middle rear section of axle case |
| 03/13/2013 | CN202779899U Double-side clamping drilling device for middle rear section of axle case |
| 03/13/2013 | CN202779898U Double-position automatic drilling machine used for machining oblique hole |
| 03/13/2013 | CN202779897U Deep hole drilling machine |
| 03/13/2013 | CN202779896U Pore pressure pumping bearing mould frame of exercise bicycle frame |
| 03/13/2013 | CN202779895U Special headstock boring machine |
| 03/13/2013 | CN202779894U Thin-wall shaft sleeve machining device |
| 03/13/2013 | CN202779893U Tool for correcting back overlength cast pits of flanges |
| 03/13/2013 | CN202779892U Portable component boring device |
| 03/13/2013 | CN102962492A Two-stage sheathing tapping machine and pipeline tapping method |
| 03/13/2013 | CN102962491A Special lathe for drilling and boring hole for motor shell-like part |
| 03/13/2013 | CN102962490A System and method for modifying a rotor |
| 03/13/2013 | CN102962489A Large support plate elastic hole drilling machine and use method thereof |
| 03/13/2013 | CN102335764B High-precision boring device for realizing synchronous multi-station processing |
| 03/13/2013 | CN102168710B Technical screw for connecting rod manufacturing of industrial reciprocating compressor and manufacturing method thereof |
| 03/13/2013 | CN102009202B Device for machining reversed taper hole of end shackle |
| 03/13/2013 | CN101947372B Automatic rescuing and fire foam drilling gun for magnetic adhesion oil tank |
| 03/07/2013 | US20130058732 Device for remote-controlled, submarine machining unit |
| 03/06/2013 | CN202763142U Chip-flushing guide rack |
| 03/06/2013 | CN202763141U Automatic anti-backlash guide frame |
| 03/06/2013 | CN202763128U Drilling device for automobile pipelines |
| 03/06/2013 | CN202763120U Numerical control machine tool for simple blind hole machining |
| 03/06/2013 | CN202763119U Special machine for crank shaft oblique oil hole drilling |
| 03/06/2013 | CN202763118U Special machine for crank shaft straight oil hole drilling |
| 03/06/2013 | CN202763117U Horizontal type multiple spindle drilling machine |
| 03/06/2013 | CN202763116U Auxiliary device for drilling crankshaft of compressor |
| 03/06/2013 | CN202763115U Special lathe for drilling crankshaft |
| 03/06/2013 | CN202763114U Fixed axis boring structure |
| 03/06/2013 | CN202763110U Crank shaft end face hole multi-axis drilling dedicated machine |
| 03/06/2013 | CN102950306A Method and device for machining 180-degree shaft hole of large rotating workpiece |
| 03/06/2013 | CN102335774B Ferrule perforation method |
| 03/06/2013 | CN102189282B System and method for making short slot hole of circuit board |
| 02/28/2013 | US20130051947 System and method for modifying a rotor |
| 02/28/2013 | US20130051945 Drilling tool |
| 02/28/2013 | US20130051944 Guide pad |