Matches 1 - 35 out of 35

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US20140150241 REINFORCEMENT SCREW INSERT  
A secondary screw that is used to penetrate through a conventional threaded screw. The secondary screw is inserted into a conventional screw that might be mounted or inserted into a wall or a...
US20060235415 Stainless self-tapping screw  
A stainless self-tapping screw comprises a screw rod made of stainless material; a rear end of the screw rod having an integral formed head and a front end thereof having a polygonal buckling...
US20080118331 Fastening Of Boards Or Slats Made Of Wood Or Of Wood Materials To A Metallic Substructure By Means Of Screws  
A connection arrangement for boards, panels or slats (1) made from wood pr of wood materials to a metallic substructure (2) is provided. The screws (3) that are used include a screw head (4) and a...
US20130192159 WELDLESS BUILDING STRUCTURES  
A building structure including a first building member and a second building member may be connected by fasteners, each fastener having a head, a tapered lead portion having an angle from 30 to...
US20080014047 Self-penetrating screw  
A screw includes a shaft, a trumpet-shaped head provided to a base end of the shaft, and a narrow-tip portion formed at a tip end of the shaft. The shaft has different diameters at a...
US20090185880 Universal fastener  
A new and improved fastener wherein the tip portion includes a unique and novel structure that enables and facilitates the insertion of the fastener into both wood and concrete substrates. The tip...
US20080232925 Screw with Waved Thread  
The present invention is in particular to a plurality of thread portions formed in the second threaded section which forms a wave shape base directrix and spirally surrounds on the shank....
US20080240883 Threaded Insert and Method of Using Same  
The present invention is directed to a threaded insert having an internal threaded surface and an external threaded surface. The threaded surfaces have threads that are threaded in opposite...
US20120266560 Self-counterboring, screw-threaded headed fastener with enlarged flanged portion or wings having cutting teeth thereon, and cutting wrench/screw gun sockets  
A self-counterboring screw-threaded headed fastener, for the threaded insertion into an underlying fixed support or substrate in order to fixedly secure a structural component, such as, for...
US20090311074 HOLE-FORMING AND THREAD-FORMING SCREW  
The invention relates to a hole-forming and thread-forming screw for screwing into a sheet piece, comprising a slotted head for accommodating a tool, a threaded shank and a conically tapering...
US20080025817 Self-Cutting Screw-In Element  
The present invention relates to a self-cutting screw-in element, e.g., an artificial hip joint socket, having a lateral surface which is at least partially curved or buckled in the threaded area,...
US20100329816 Self-Tapping Insert and Method of Utilizing the Same to Replace Damaged Threads for Hydraulic and Pneumatic Applications  
A self-tapping insert is installed in a pre-existing bore hole in a workpiece by rotating the insert, causing cutting threads on the exterior of the self-tapping insert to cut new threads....
US20090035091 THREADED BOLT AND METHOD FOR ITS PRODUCTION  
A threaded bolt having a shank of basic cylindrical form and with a root end and a head end is provided with a spiral-shaped external thread, which has at least one principal flight and in the...
US20110203217 Weldless Building Structures  
A building structure including a first building member and a second building member may be connected by a plurality of fasteners, each fastener having a head, a threaded portion having a through...
US20100047035 Fastening element  
A fastening element having a torque-receiver for a setting tool and having a shank bearing a tapping thread that has a free end facing away from the torque-receiving means, and that has a...
US20090317209 Method For Mounting A Screw And A Thread-Armoring Element, And Arrangement For Carrying Out Said Method  
A method for mounting a screw and a thread-armoring element in a receiving thread of a component is described, in which the thread-armoring element is immobilized on the screw and the screw with...
US20110044785 METHOD FOR MANUFACTURING SCREW WITH HELICAL CHIP DISCHARGE CHANNEL AND PRODUCT THEREOF  
Disclosed is a method for manufacturing a screw with helical chip discharge channel, including providing a blank, subjecting an end of the blank to form a head and subjecting the blank to rolling...
US20100034615 COATING AGENT FOR TAPPING SCREW, METHOD FOR PREPARING THE COATING AGENT, METHOD FOR FORMING COATING LAYER ON THE PERIPHERY OF TAPPING SCREW USING THE COATING AGENT, AND TAPPING SCREW HAVING COATING LAYER FORMED FROM THE COATING AGENT  
Provided are a coating agent capable of forming, on the periphery of a tapping screw, a coating layer which can hold female-thread-forming chips generated during screwing of the tapping screw into...
US20090311075 SELF-TAPPING DRILL SCREW  
The invention relates to a self-tapping drill screw that is screwable into a sheet piece and comprises a slotted head for accommodating a tool, a threaded shank, a slightly conically tapering...
US20120321411 Anchor Screw  
In a self-tapping anchor screw for application in mining, tunnel construction, above-ground or below-ground construction, and for screwing into rock or into a building, comprising a screw shaft,...
US20130195580 Fastening Means and Associated Production Method  
A fastening mechanism includes a basic body made from a base metal, onto which at least one corrosion-resistant layer is applied. A further layer is applied at least partially onto the at least...
US20110305541 TAPPING SCREW  
Tapping screw (1) has conical portion (4) at the end of cylindrical portion (3) and thread (6) of tapered screw portion (M) disposed at conical portion (4) are formed of single-start threads...
US20150176623 Self-Drilling and Tapping Screw for Directly Screwing Together Components Without Pilot Holes and A Component Assembly Made in This Way  
A self-drilling and tapping screw for directly screwing together components includes a head and a shank integrally formed with the head. The shank has a self-tapping thread section and, in front...
US20130058736 Drivable eye bolt  
An eye bolt has an elongate threaded shank having a longitudinal axis and a loop projection, such as a circular loop, extending from one end of the shank and a driving head rigidly mounted on the...
US20090226280 Screw  
A screw includes a transition region (12) located between the screw head and the screw stem and having its circumference formed of from three to ten truncated cones (21, 22, 23) following each...
US20130039720 SCREW  
A screw comprises a head and a rod extended downward from the head. The rod has a tip at a distal end and a round thread spirally extended upward from the tip. The round thread is an asymmetric...
US20110097178 SCREW  
A screw, in particular a self-tapping screw, has a screw thread which covers up to the front end of the screw formed as a drilling tip or cutting tip. In the front area, starting with a distance...
US20140314523 Screw  
A screw includes a shank, at least one end cutting groove, a first thread, and a second thread. The shank includes a lower section disposed near an insertion end thereof and an upper section...
US20100247267 Method for anchoring a fastening element in a mineral component, and fastening element for mineral components  
A method is described for anchoring a fastening element (11) in a mineral component (1), in which a bore hole (2) is provided in the component (1) using a drill bit having a nominal drill bit...
US20130302111 CONCRETE SCREW STRUCTURE  
A concrete screw includes a screw head and a rod with a drilling tail section at a distal end thereof. The rod includes a first thread section formed annularly thereon and extended upwards from...
US20110116894 Self-Tapping Screw  
A self-tapping screw includes a threaded shank, a drill bit and a head. The drill bit is provided with two blades each provided with at least one cutting slot. Thus, the cutting slot of each of...
US20130011214 DRILLING SCRWE WITH COMPOUND THREADS  
A drilling screw with compound threads comprises a head at one of the screw; a drilling tip at another thereof; a screwing rod extending from the head to the drilling tip; a middle section of the...
US20160238054 MOUNTING SCREW  
A mounting screw (1), comprising a head part (2), a tip part (3), the tip part (3) having a tapered shape tapering from the shank part (4) to the tip (5) of the screw, and comprising a tip part...
US20160223006 Coil for a Threaded Insert  
The present invention relates to a coil (10) for transmitting torque to a threaded insert sleeve with an external thread and/or for tapping a thread. The coil (10) comprises a radially outer...
US20160131172 HIGH ANGLE SCREW FASTENER  
A threaded fastener for securing a first material to a support comprising a tapping point at a first end and a threaded shank with multiple separate leads. An end diameter of a fastener tip is in...
Matches 1 - 35 out of 35