| Patents for F16B 23 - Specially-shaped heads of bolts or screws for rotations by a tool (3,038) |
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| 06/15/2011 | CN201866047U Half-thread flange bolt |
| 06/15/2011 | CN201866046U Full-threaded flange bolt |
| 06/15/2011 | CN201866045U Half-thread flat screw |
| 06/15/2011 | CN201866044U Theft-prevention screw and screwdriver |
| 06/15/2011 | CN102094888A Trapezoid nut and bolt with trapezoid head |
| 06/15/2011 | CN102094887A Heat treatment quenching anti-theft screw capable of being assembled and disassembled in mode of advance and retreat |
| 06/08/2011 | EP1924776B1 Fastener head |
| 06/08/2011 | CN201858236U External pentagonal screw with spacer |
| 06/08/2011 | CN201858235U Outer pentagonal screw |
| 06/08/2011 | CN201858234U Internal pentagonal screw |
| 06/08/2011 | CN102086900A Heat-treated and quenched anti-theft nut capable of being assembled and disassembled in advancing and retreating way |
| 06/08/2011 | CN101331330B A fastener assembly, bolt for the fastener assembly and method for fastening article together |
| 06/01/2011 | CN201851460U Bolt with outer hexagonal shape and inner quadrangular shape |
| 06/01/2011 | CN201851459U External-pentagonal internal-quadrangular bolt |
| 06/01/2011 | CN201851458U Bolt with pentagonal outer appearance and triangular inner appearance |
| 06/01/2011 | CN201851457U Bolt with hexagonal appearance and pentagonal interior |
| 06/01/2011 | CN201851456U Bolt with outer hexagonal shape and inner triangular shape |
| 05/26/2011 | WO2011063099A1 Fastener with improved torque bearing surface |
| 05/25/2011 | CN102072238A Chip screw element and locking device for same |
| 05/19/2011 | US20110116895 Assembly improving, low mass, fastener head |
| 05/19/2011 | DE102009040952A1 Screw for connecting e.g. aluminum castings of motor vehicle, has screw head comprising set of contact elements that run radial to shaft, where flanks of contact elements run opposite to axial direction in inclined manner |
| 05/18/2011 | EP2321542A1 Screw drive design |
| 05/18/2011 | CN201836178U Adjustable inner hexagonal blade bolt for wind power generation blade |
| 05/18/2011 | CN201836156U Limiting device in butt-joint of two pieces of food conveying equipment |
| 05/11/2011 | EP2318725A1 Assembly improving, low mass, fastener head |
| 05/11/2011 | CN201827217U Anti-theft screw device |
| 05/11/2011 | CN201827201U Fastening device of half thread bolt |
| 05/11/2011 | CN201827200U Full-thread bolt device |
| 05/11/2011 | CN201827199U Half thread bolt device |
| 05/11/2011 | CN102056428A Bolt, and machine shell and metal plate matched with bolt |
| 05/11/2011 | CN102052374A Screw in particular for fibre board connected with cement |
| 05/05/2011 | WO2011050900A1 Combination of screwdriver and screw, and screw |
| 05/04/2011 | CN201818611U Pressing core-pulling type wedge screw |
| 04/27/2011 | EP2314418A1 Screw and rotating tool for rotating a screw |
| 04/27/2011 | CN201810631U Screw rod for terminal block |
| 04/27/2011 | CN201808004U Retreating boosting screwdriver and screw combination |
| 04/20/2011 | CN101625004B 固定装置 Fixtures |
| 04/13/2011 | CN201794889U Pentagonal all-thread screw in flat shoulderpad |
| 04/13/2011 | CN201794886U Bolt easy to be fixed |
| 04/13/2011 | CN201794885U 螺栓 Bolt |
| 04/13/2011 | CN201794884U Full-thread screw with triangular head and gasket |
| 04/13/2011 | CN102011782A Bolt easy to disassemble and assemble |
| 04/06/2011 | CN201786902U Theftproof bolt |
| 04/06/2011 | CN201786900U Full-thread square-head screw with washer |
| 04/06/2011 | CN201786891U Round flat-bottom flange bolt |
| 04/06/2011 | CN201786890U Internal pentagonal conical flat-bottomed flange bolt |
| 04/06/2011 | CN201786889U Half-thread pan-headed screw |
| 04/06/2011 | CN201786888U Inner-outer pentagon head bolt with washer |
| 04/06/2011 | CN201786883U Half-thread flange bolt |
| 04/06/2011 | CN201786882U Circular flat-bottomed flange bolt with inner and outer pentagons |
| 04/06/2011 | CN201786881U Full-thread flange bolt |
| 04/06/2011 | CN201786880U Conical flat-bottomed flange bolt |
| 04/06/2011 | CN201786879U Square-head internal pentagonal full-thread flange bolt |
| 04/06/2011 | CN201786878U Triangular-screw-head internal-pentangular full-thread flange screw |
| 04/06/2011 | CN201786877U Inner pentangular half-thread flanged screw with circular screw head |
| 04/06/2011 | CN201786876U Square-headed pentagonal half-thread flange bolt |
| 04/06/2011 | CN201786875U Half-threaded triangular-head screw with gasket |
| 04/06/2011 | CN201786874U Full threaded rod screw |
| 04/06/2011 | CN201786873U Screw with full-thread screw rod |
| 04/06/2011 | CN201786872U Bolt |
| 04/06/2011 | CN201786871U Internal and external pentagon conical flat-bottom flange bolt |
| 04/06/2011 | CN201786865U External dodecagonal flange bolt for wind power generation |
| 04/06/2011 | CN201786862U Inner hexagonal bolt |
| 04/06/2011 | CN201786861U Full thread flat screw |
| 04/06/2011 | CN201786860U Full-thread pan head screw |
| 04/06/2011 | CN201786859U Internal and external pentagon screw |
| 04/06/2011 | CN201786858U Half-threaded flange screw with triangle-shaped screw head and inner-pentagon-shaped counter bore |
| 04/06/2011 | CN201786857U Circular screw head pentagon full threaded flange screw |
| 04/06/2011 | CN201786856U Flat-shouldered internal pentagonal half-threaded screw |
| 04/06/2011 | CN201786855U Half-threaded square head screw with washer |
| 04/06/2011 | CN201786854U Full thread screw |
| 04/06/2011 | CN201786853U Screw |
| 04/06/2011 | CN201786852U Full thread screw |
| 04/06/2011 | CN201786851U Screw |
| 04/06/2011 | CN201786829U Fastening device |
| 03/31/2011 | WO2011038079A1 Method of manufacture for a plastic-capped panel fastener |
| 03/31/2011 | DE102009040955A1 Thread element e.g. external thread element, for use in automobile industry, has drive section with circumferential surface that is sectionally formed as cone surface arranged concentric to longitudinal center axis of thread element |
| 03/31/2011 | CA2774908A1 Method of manufacture for a plastic-capped panel fastener |
| 03/30/2011 | EP2302232A2 Drivers with multi-tiered driving tips |
| 03/30/2011 | CN201779114U Adjusting screw for composite roller |
| 03/30/2011 | CN101994746A Fixing device |
| 03/30/2011 | CN101994740A Fastening piece |
| 03/30/2011 | CN101992434A Sun gear drive type booster drive tool and stud structure driven by same |
| 03/30/2011 | CN101992433A Planetary gear drive type double-power drive tool |
| 03/24/2011 | US20110070052 Nut Assembly and Method for the Production the Same |
| 03/24/2011 | US20110070051 Fastener |
| 03/23/2011 | CN201771937U Antitheft countersink screw and screwdriver |
| 03/23/2011 | CN201771922U 调整螺丝 Adjustment screw |
| 03/23/2011 | CN201771914U 螺栓 Bolt |
| 03/17/2011 | WO2011029591A1 Threaded element and tool |
| 03/16/2011 | CN201763788U Antitheft connecting fastener |
| 03/16/2011 | CN201763781U Conical antitheft bolt and special sleeve matched with the same |
| 03/16/2011 | CN201763780U Conicity antitheft screw bolt and special sleeve barrel matched with same |
| 03/16/2011 | CN201763774U Heat-treatment quenching-hardening detachable theft-proof screw |
| 03/16/2011 | CN201763755U Stud fastening kit |
| 03/16/2011 | CN201763747U Screw |
| 03/10/2011 | US20110056166 Concrete foundation form screw |
| 03/10/2011 | DE10034740B4 Befestigungselement Fastener |
| 03/03/2011 | US20110048181 Screw head recess structure and its driving tool |
| 02/24/2011 | DE202010014210U1 Klemmverbindung zur verdeckten Befestigung von Rundbolzen bzw. bolzenförmigen Objekten Clamp connection of round bolt or bolt-shaped objects for concealed fastening |