| Patents for B23B 51 - Tools for drilling machines (12,490) |
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| 07/10/2013 | CN203044997U Steel sleeve type drill bit |
| 07/10/2013 | CN203044996U Central solid material drill bit |
| 07/10/2013 | CN203044995U Steel and magnetic sleeve type drill bit |
| 07/10/2013 | CN203044994U Combined-type solid material drill bit |
| 07/10/2013 | CN203044993U Flat drill used for automatic machining of spinneret plate hole bottom |
| 07/10/2013 | CN203044992U Pipeline drill |
| 07/10/2013 | CN203044991U Double-size drill bit |
| 07/10/2013 | CN203044923U Arc rake angle countersink blade |
| 07/10/2013 | CN103192123A Impact-type quick release drill bushing device |
| 07/10/2013 | CN103192122A Impact-type drillstock |
| 07/10/2013 | CN103192121A Automatic burr-removing combined drill |
| 07/10/2013 | CN103192120A Drilling and reaming combined cutter |
| 07/09/2013 | US8480338 Adjustable indexable drill |
| 07/09/2013 | US8480337 Drill with cutting inserts |
| 07/04/2013 | US20130170920 Drill and method of manufacturing machined product using the same |
| 07/04/2013 | US20130170915 Cutting insert and indexable rotary cutting tool |
| 07/03/2013 | CN203030999U Lengthening device of drill |
| 07/03/2013 | CN203030998U Processing hole signal end face chamfering combined tool |
| 07/03/2013 | CN203030997U General drilling and reaming combined tipped drill |
| 07/03/2013 | CN203030996U A combined tool for a numerically-controlled lathe |
| 07/03/2013 | CN203030995U Compound cutter |
| 07/03/2013 | CN203030994U Drilling reamer |
| 07/03/2013 | CN203030993U Precise adjustment structure of porous drilling tool |
| 07/03/2013 | CN203030992U Core-leaving drill |
| 07/03/2013 | CN203030991U Coated cutting tool for processing of hard alloy |
| 07/03/2013 | CN203030990U Reaming drill bit |
| 07/03/2013 | CN203030989U Expanding drill |
| 07/03/2013 | CN203030988U 台阶钻 Step drill |
| 07/03/2013 | CN203030987U Mechanically-clamped convex drill |
| 07/03/2013 | CN203030986U Hole enlarging machining cutter for deep long hole |
| 07/03/2013 | CN203030985U High-efficiency drill bit |
| 07/03/2013 | CN203030984U Hard alloy drilling cutter |
| 07/03/2013 | CN203030983U Chip removal type alloy drilling tool |
| 07/03/2013 | CN203030982U Spiral tool |
| 07/03/2013 | CN203030981U Hard chip removal alloy drilling cutter |
| 07/03/2013 | CN203030980U Spiral cutter capable of achieving automatic chip breaking |
| 07/03/2013 | CN203030979U Alloy drill bit |
| 07/03/2013 | CN203030978U Drill structure |
| 07/03/2013 | CN203030977U Drill structure |
| 07/03/2013 | CN203030976U Alloy bit |
| 07/03/2013 | CN203030975U Chisel-edge-free drill bit with four points and eight edges |
| 07/03/2013 | CN203030933U Novel turning tool |
| 07/03/2013 | CN203030932U 车削刀具 Turning tools |
| 07/03/2013 | CN103182553A Lifter bore drilling cutter assembly and lifter bore machining method |
| 07/03/2013 | CN103182536A Surface-coated cutting tool with excellent chipping resistance, peeling resistance, and wear resistance |
| 07/03/2013 | CN102317015B Surface-coated cutting tool |
| 07/02/2013 | US8475090 Drill with a centering drill insert, and a method of using a drill with a centering drill insert, and the insert therefor |
| 06/27/2013 | WO2013093060A1 Drill bit with an exchangeable cutting portion |
| 06/27/2013 | WO2013093041A1 Drill bit with an exchangeable cutting portion |
| 06/27/2013 | US20130164089 Drilling tool |
| 06/27/2013 | US20130164088 Drill for composite materials |
| 06/27/2013 | DE112011102803T5 Stirnfräs-/Bohr-/Aufreib-Kombinationsschneidwerkzeug Stirnfräs- / drilling / Aufreib combination cutting tool |
| 06/27/2013 | DE112011102673T5 Schneidwerkzeug mit ungleichem Nutabstand Cutting tool with unequal groove spacing |
| 06/27/2013 | DE102011122539A1 Verfahren zur Herstellung einer Bohrung in einem Werkstück A process for producing a hole in a workpiece |
| 06/27/2013 | CA2770251A1 Seismic drilling bit with pivot ring for use in anchor insertion |
| 06/26/2013 | EP2607307A1 Diamond polycrystal and process for production thereof |
| 06/26/2013 | CN203018804U Steel plate drill with chamfering function |
| 06/26/2013 | CN203018803U Axial clamped-in style steel plate drill with replaceable blade for bolt |
| 06/26/2013 | CN203018802U Blade-inlaid reinforced steel plate drill |
| 06/26/2013 | CN203018801U Embedded type fine cutting tool special for spinneret plate machining |
| 06/25/2013 | US8469642 Modular precision drill countersink assembly |
| 06/20/2013 | WO2013088343A1 Machining process |
| 06/20/2013 | CA2857719A1 Machining process |
| 06/19/2013 | EP2604367A1 Holesaw mandrel assembly |
| 06/19/2013 | CN203003483U Once-forming countersunk head threaded hole machining device |
| 06/19/2013 | CN203003227U Self-fastening type drill chuck |
| 06/19/2013 | CN203003226U Drill bit |
| 06/19/2013 | CN203003225U Once-forming countersunk head through hole machining device |
| 06/19/2013 | CN203003224U Drilling bit used for iron water tube drilling |
| 06/19/2013 | CN203003223U Cutter for machining cross holes with same diameter |
| 06/19/2013 | CN203003222U Combined drill bit |
| 06/19/2013 | CN203003221U Stepped drill point spade drill blade |
| 06/19/2013 | CN203003220U Double-margin spade drill blade |
| 06/19/2013 | CN203003219U Assembly type steel plate drill |
| 06/19/2013 | CN203003218U Matrix type core drill embedded with blades |
| 06/19/2013 | CN203003217U Tool for enhancing body structure of center water outlet tool |
| 06/19/2013 | CN103168113A Hard film coated member and method for forming hard coating film |
| 06/19/2013 | CN103157836A Positive-negative chamfering drilling bit used for processing of plate parts |
| 06/19/2013 | CN103157835A Taper reamer driller used for processing of plate parts |
| 06/19/2013 | CN103157834A Drill bit with low chisel edge |
| 06/19/2013 | CN103157833A Longhole double-spiral inner-cooling drill bit |
| 06/19/2013 | CN103157815A Surface wrapping cutting tool having good abrasive resistance during high speed heavy cut |
| 06/19/2013 | CN102500799B Seamless steel pipe end part chamfer clamp |
| 06/19/2013 | CN102198533B Perforating tool |
| 06/19/2013 | CN101912986B Cutting insert with helical geometry and drilling tool assembly |
| 06/19/2013 | CN101096056B 切削刀具 Cutting Tools |
| 06/17/2013 | DE202013102491U1 Lochsäge Hole Saw |
| 06/13/2013 | US20130149060 Spade Bit having Reamer Feature |
| 06/13/2013 | US20130149059 Saw Blade with Tooth Form Projection |
| 06/13/2013 | US20130149058 Undercutting Tool |
| 06/13/2013 | US20130149057 Guide pad, cutting tool body and cutting tool |
| 06/12/2013 | EP2602063A1 Distancing disc for an impact drilling machine with SDS-max system |
| 06/12/2013 | EP2602037A1 Coated tool |
| 06/12/2013 | EP2601001A2 Machining tool |
| 06/12/2013 | CN202984756U Dustproof drill chuck |
| 06/12/2013 | CN202984755U Hollow drill extension piece |
| 06/12/2013 | CN202984754U Drilling, milling and reaming cutter |
| 06/12/2013 | CN202984753U Drill and countersink combined knife for processing inlet manifold of automobile engine |
| 06/12/2013 | CN202984752U Large-size driller |
| 06/12/2013 | CN202984751U Compound drill bit |