Matches 1 - 50 out of 149 1 2 3 >


Match Document Document Title
US20120063857 Indexable Drill and Drill Body  
An indexable drill includes an insert attachment seat and a chip discharging groove formed so as to extend from a leading end surface to a trailing end side of the drill in the direction of the...
US20110188953 REAMING TOOL  
A reaming tool has a generally planar base with a base opening. A stand is coupled to the base and extends away from the base, the stand having at least one cross member. A guide opening extends...
US20120009034 DRILLING TOOL  
The invention relates to a drilling tool (1) comprising a support shank (2) and an interchangeable cutting insert (3) which is fitted to the support shank (2) and which has an asymmetrical main...
US20120051863 COMBINATION END MILLING/DRILLING/REAMING CUTTING TOOL  
A combination end milling/drilling/reaming cutting tool includes an end milling portion, a drilling portion, and a reaming portion. The cutting tool also includes a neck portion between the end...
US20110200403 MULTIPLE EDGE DRILL  
The invention relates to a multiple edge drill such as is especially used for machining difficult-to-machine, e.g. high-toughness materials, such as e.g. cast steel, steel for hardening and...
US20120034043 CUTTING TOOL WITH UNEQUAL FLUTE SPACING  
A cutting tool having a shaft with a longitudinal axis, wherein the cutting tool includes a first flute extending about the longitudinal shaft along a helix angle and a first cutting edge adjacent...
US20130164089 DRILLING TOOL  
The invention relates to a drilling tool comprising a clamping shaft and cutting element contiguous with said clamping shaft. The cutting element comprises at least one flute having a flute...
US20150050095 MILLING AND BORING TOOL  
A milling and boring tool with a tool shaft which comprises a center axis, at least one geometrically defined rough cutter and at least one geometrically defined finishing cutter, and the at least...
US20110268518 ROTARY CUTTING TOOL HAVING PCD CUTTING TIP  
A rotary cutting tool comprises an elongate body disposed about a longitudinal axis, the elongate body including a helical flute and a polycrystalline-diamond cutting tip. The cutting tip...
US20120201619 Drill  
Twist drill for short hole drilling with two chip flutes opening in a clearance surface of a front tip to form, with the clearance surface, two cutting edges. Chip flutes have three different part...
US20120087753 DRILL AND CUTTING METHOD USING SAME  
A drill includes a plurality of cutting edges formed at a front end portion; twisted flutes which are formed on an outer periphery from rear end portions of the cutting edges, respectively, and...
US20110170974 DRILL  
It is provided a drill having a plurality of twist grooves disposed around a drill axial center O and main cutting edges formed along their respective twist grooves in opening portions of the...
US20130004253 DRILLING/REAMING TOOL  
A drilling/reaming tool includes a basic body which extends in a longitudinal direction. The basic body includes at least one end-side drilling major cutting edge, a main flute which is assigned...
US20090010728 Axial Asymmetric Edge Drill  
The present invention provides a drill for making a dilled hole having a high circularity. The axial asymmetric edge drill has a chisel portion formed in the tip center so that the chisel portion...
US20150056032 Precessional Drilling and Reaming  
This document provides novel drills and/or reamers that are well-suited for making holes in a variety of materials including, but not limited to, metals, ceramics, glass, wood, plasterboard,...
US20080019787 Drill for machining fiber reinforced composite material  
A diamond coated drill capable of drilling holes in fiber reinforced composite materials. The drill is made from a tungsten carbide (WC) substrate with cemented cobalt (Co) in a range between...
US20110135413 Reamer  
A reamer for the precision machining of a drilled hole, having a plurality of cutting bars which are separated from one another by chip grooves and extend in the longitudinal direction of the...
US20130183113 TWIST DRILL AND METHOD FOR THE PRODUCTION THEREOF  
A twist drill includes a drill body having a chip flute extending a distance along the drill body. The chip flute has a leading edge and a run-out edge running along the chip flute. The run-out...
US20090067943 Drill point for one-shot drilling of sandwich panels and similar  
A drill point (1) for drilling sandwich panels (100), composite materials and similar, comprising a shank (2) for coupling into the chuck a tool apt to drive said point (1) in rotation; a drilling...
US20100054881 Metal Cutting Drill Bit  
A combination drill bit for use in both hand held drills and stationary drill presses has a shanking end, a working end and a helical flute portion between the shanking and working ends. The...
US20130115020 ROCK DRILLING TOOL FOR ROTATIONAL PERCUSSIVE MACHINING OF CONCRETE, ROCK, MASONRY AND SUCH MATERIALS  
A rock drilling tool includes a drilling head provided with a cutting body and a helix arranged between the drilling head and a shaft. The cutting body extends continuously over a nominal diameter...
US20080232915 TWIST DRILL FOR DRILLING WITH A COUNTERSINK CUTTING ARRANGEMENT, AND A CUTTING TOOL WITH A COUNTERSINK CUTTING ARRANGEMENT, AND A CUTTING-CHAMFERING TOOL  
A twist drill for drilling with a countersink cutting arrangement, and a cutting tool with a countersink cutting arrangement, and a cutting-chamfering tool. The abstract of the disclosure is...
US20120020751 Multi-directionally fluted rotary cutting tool  
A rotary cutting tool having a longitudinal body with a rotational axis, comprising a proximal aspect allowing for insertion into an unmotorized or motorized drill, a distal aspect with one or...
US20060078393 Cutting improvement structure for a drill  
This invention relates to a drill having hole-drilling alignment precision, and drilling capability, and scrap-release capability. It comprises a drill tip on the cutting part and a drill body...
US20060039767 Carbide drill capable of drilling hole with reduced degree of work hardening  
A drill including flutes formed therein and extending from an axially distal end portion thereof toward an axially proximal end portion thereof, so as to provide cutting edges in the axially...
US20100028098 Drill bit configuration  
This invention has to do with a rotary twist drill of the type having a fluted cylindrical shank with a drill bit end having at least two cutting edges extending radially outwardly from the...
US20070009336 Twist drill  
A twist drill for metal cutting, made of cemented carbide, including helical chip flutes extending through an entire body of the twist drill or a part thereof, a shank to be secured to a rotary...
US20100034606 THROW-AWAY DRILL AND TIP ARRANGEMENT METHOD FOR THE DRILL  
An object is to provide an indexable drill which has cutting edges formed of a plurality of indexable inserts and which provides stable performance so that the accuracy of entrance hole diameter...
US20120014760 Modular Drill  
The invention relates to a modular drill including a shank part with an end side. A cutting part can be connected to the shank part at its end side. The shank part has at least one torque...
US20060285935 Drill structure having cutting blade  
This invention relates to a drill structure having cutting blade, comprises a drill tip, a cone top part, head part, cutting part, scrap-guiding slot and drill body. The drill tip forms a top end...
US20090317202 STRONG HIGH PERFORMANCE TWIST DRILL  
A strong high performance twist drill which aims at providing a high performance twist drill to solve the existing problems effectively. The twist drill can reduce the change in value of the rake...
US20100329802 CUTTING DRILL AND METHOD FOR MANUFACTURING PRINTED WIRING BOARD  
A cutting drill includes a shank having a hole and formed to be gripped in a tool holder, and a drill body having a rod shape and locked into the hole of the shank. The shank has an axis around...
US20140271008 METHOD OF JOINING SINTERED PARTS OF DIFFERENT SIZES AND SHAPES  
A method of joining a plurality of parts to form a unitary body includes providing at least two sintered parts. Each of the parts is formed of a hard metal composition of material. The sintered...
US20090185877 Gundrill, and method of drilling with the same  
A single flute gundrill has a cutting tip having a single cutting edge arranged so that when the gundrill rotates the cutting edge performs cutting in a predetermined cutting direction; a shank...
US20070081870 TWIST DRILL AND METHOD FOR PRODUCING A TWIST DRILL WHICH METHOD INCLUDES FORMING A FLUTE OF A TWIST DRILL  
There is now provided a twist drill and a method for producing a twist drill which method includes forming a flute of a twist drill. The drill has drill material and a tip portion with a cutting...
US20090047085 Multiple spur multiple spiral groove twist drill  
A MULTIPLE SPUR MULTIPLE SPIRAL GROOVE TWIST DRILL includes a flute, whose shank is clamped and secured to a tooling holder of a drilling machine and contains multiple spiral flute grooves; each...
US20100316456 Twist Drill With Negative Axial Rake Transition Between The Lip And The Secondary Cutting Edge  
A drill for making a hole within a workpiece has a body extending along a longitudinal axis, at least one flute extending along the body, and a drill point extending from the end of the body. The...
US20080193234 CUTTER FOR DRILLING AND REAMING  
Embodiments of the disclosure provide a drill bit including a drill bit body having a central axis. A first cutting edge is disposed on the drill bit body at a first radial distance from the...
US20090028654 CERAMIC DRILL BIT FOR HIGH-SPEED DRILLING OF COMPOSITES  
The ceramic drill bit has a particular geometry and is very advantageously applicable to the very high-speed drilling of parts made of a composite, especially a carbon-fiber composite having an...
US20090080989 Drill bit and reamer  
A tool bit providing a combined drill bit and reamer is disclosed herein. The tool bit comprises an axial bit shaft including a bore end and a shank end. At least one helical land portion is...
US20100086371 TWIST DRILL HAVING AT LEAST TWO CUTTING INSERTS AT THE TIP EACH WITH ITS OWN J-SHAPED CHIP GUIDING FLUTE AND A METHOD FOR THE PRODUCTION THEREOF  
A twist drill having at least two cutting inserts at the tip each with its own J-shaped chip guiding flute and a method for the production thereof. The abstract of the disclosure is submitted...
US20120114438 BLANK AND TOOL WITH COOLING CHANNELS  
The application comprises a blank for producing a cutting tool with at least one inner bore for conducting fluids, wherein the blank comprises at least a first and a second portion along, its...
US20120039680 DRILL AND METHOD OF CUTTING WORKPIECE USING THE SAME  
A drill of the present invention includes a first cutting edge and a second cutting edge each located at a front end of a cylindrical cutting part; a first flute and a second flute connected to...
US20100092259 DRILL BIT FOR DRILLING HAVING AT LEAST TWO CUTTING EDGES, EACH WITH TWO CUTTING PORTIONS AND A NON-CUTTING PORTION BETWEEN THE TWO CUTTING PORTIONS  
A drill bit for drilling having at least two cutting edges, each with two cutting portions and a non-cutting portion between the two cutting portions. The abstract of the disclosure is submitted...
US20110123284 REAMER TOOL  
An improved reamer tool is described that has lower torque requirements, despite having more blades. Because of the lower torque requirements, the reamer can be used with a handheld drill. The...
US20090317203 SPIRAL FLUTED TAP  
As shown in FIG. 1, rake surfaces of cutting edges 26 of a shank-side thread portion 24b formed in a full thread portion 24 are formed with chamfers 30 having the chamfer height Hmen fallen within...
US20090136308 Rotary Burr Comprising Cemented Carbide  
A rotary burr comprising cemented carbide for removing material from a workpiece includes a shank and a working portion and a shank. A surface of the working portion includes a plurality of...
US20150183031 MICRO-DRILL AND METHOD FOR MANUFACTURING THE MICRO-DRILL  
A micro-drill includes a first rake face, a first rear face, a second rake face, a second rear face, a first spiral groove extending from a drill point to a tail of the drill, a second spiral...
US20110081215 TWIST DRILL  
Provided is a double-angle twist drill that increases the quality of drilling without increasing the amount of manufacturing work or the like. A secondary cutting edge 4b is substantially parallel...
US20130045058 DRILLING TOOL  
A drilling tool includes at least two chip flutes and a chisel edge with a thinned region. The thinned region merges continuously into the chip flutes in such a way that the thinned region forms...

Matches 1 - 50 out of 149 1 2 3 >