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US20150202696 |
SYSTEMS AND METHODS FOR FORMING AN OPENING IN A STACK
One aspect of the disclosure relates to a cutting tool for forming a final opening in a stack that includes at least two layers and a pilot opening having a pilot-opening dimension and extending... |
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US20130302100 |
ROTATIONALLY DRIVEN MULTI-BEVEL STEP TOOL
The invention relates to a rotationally driven multi-bevel step tool, particularly a step drill for drilling into solid material, comprising a plurality of one-edged or multi-edged cutting steps... |
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US20120082523 |
ROTATIONALLY DRIVEN MULTI-BEVEL STEP TOOL
The invention relates to a rotationally driven multi-bevel step tool, particularly a step drill for drilling into solid material, comprising a plurality of one-edged or multi-edged cutting steps... |
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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... |
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US20070067979 |
MACHINE FRICTION TOOL, INTERCHANGEABLE HEAD AND SHAFT
A machine reaming tool comprises a reaming head or interchangeable head (1) and a shaft (2), wherein the interchangeable head (1) is of one piece and may be exchanged, and in the axial direction... |
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US20060093448 |
Drills
A drill for thick plate material of over 10 mm depth. Drills for cutting thin plate material by way of hand held electric drills are known, but for drilling thick plate material, there has... |
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US20120219371 |
SEGMENTED ORBITAL DRILL
A segmented orbital drill includes a segmented portion with a semi-finishing cutting portion and a plurality of finishing cutting portions. The semi-finishing cutting portion and finishing cutting... |
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US20140369776 |
STEP DRILL
A step drill bit has a cutting head defining a longitudinal axis and having a plurality of steps having different effective diameters. First and second cutting edges are formed in the cutting... |
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US20130189044 |
STEP DRILL FOR WOOD
A wood drill bit has a plurality of step sections where each step section has at least one flute that terminates in a cutting edge. The effective diameter of each of the plurality of step sections... |
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US20140363249 |
DRILL
A small diameter portion having an outside diameter smaller than a diameter of the drill is formed on a front end side of a body of the drill in which a cutting edge includes at least two... |
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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... |
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US20050047883 |
Interchangeable boring bar system
An interchangeable boring bar system for positioning implement holders at user-selected radial and axial positions along the boring bar includes an extendable boring bar defining an axis and a... |
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US20120121351 |
DEEP HOLE DRILL
The invention relates to a deep hole drill comprising at least one cutter (S), which is formed on a drill head and which has at least one cutting edge, the at least one cutter being divided into... |
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US20110103908 |
Pull Reamer
In order to allow high-precision machining of the inner surface of a pipe using little machining time, the draw broach comprises a cutting part (2) having a plurality of cutters (10) extending in... |
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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... |
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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... |
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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... |
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US20100221078 |
Drilling Tool and Method for Drilling
A drilling tool extends in a longitudinal direction and has a drill point and first and second major cutting edges, which extend approximately radially outward. The drill point is arranged... |
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US20080166195 |
SPIRAL DRILL BIT AND METHOD OF FORMING SAME
A spiral drill bit for forming holes of a variety of sizes has a main body which provides first and second helical grooves. First and second flutes extend along the length of the main body to... |
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US20090067942 |
INDEXABLE DRILL
An indexable drill is offered which enables suitable integration of a drill body and cutting insert. The crosshatch angles of clamp receiving faces of a cutting insert which are respectively... |
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US20080304926 |
MILLING CUTTER AND METHOD OF OPERATING SAME, AND OTHER MACHINE TOOLS, AND AN ADJUSTMENT MECHANISM THEREFOR
Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b).... |
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US20090035079 |
Removable countersink bit
A removable countersink bit comprises a body, a flange, at least one clamp, and a plurality of cutting teeth. The removable countersink bit creates countersink holes for receiving manhole fixtures... |
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US20140363244 |
STEP DRILL BIT
A drill bit includes a shank, a transition portion, and a body portion defining a plurality of axially stacked, progressively sized steps. The steps include a first step and a terminal step... |
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US20150093205 |
Drill
A drill bit has a tool shank, a center axis, a first cutting region with at least one geometrically defined first cutting edge, the same having a cutting face arranged at a radial distance from... |
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US20140023445 |
POWER TOOL ACCESSORY
A power tool accessory includes a shank member having a first hardness. A conically-shaped body is coupled to the shank member and includes a series of stepped shoulders that increase in diameter... |
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US20070020057 |
Drill bit with multiple stepped cutting edges
A drill bit has a butt and a shaft. The shaft connects to the butt and has a central axis, a tip, multiple grooves and multiple steps. The grooves are formed in the shaft, and each groove has a... |
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US20090116913 |
Polycrystalline Diamond Cutting Tool with Coated Body
A cutting tool for machining metal workpieces using polycrystalline diamond cutting surfaces with interspersed guide surfaces and chip evacuation surfaces. When machining holes in cast aluminum... |
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US20090129881 |
RING WITH CUTTING EDGE (RING-SHAPED CHAMFER TOOL)
A ring with a cutting edge detachably fixed to a drilling tool, and machines the peripheral edge of a hole bored by the drilling tool can be simply attached to the drilling tool. A ring with a... |
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US20100209203 |
DRILL SYSTEMS, DRILL INSERTS AND METHODS
A drill system and cutting insert geometry is provided, with the system comprising a drill body having at least one cutting insert, with the at least one cutting insert is formed with at least one... |
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US20140301796 |
TOOL AND METHOD FOR CUTTING THREAD PRODUCTION
A tap for cutting thread production can include a working region that is rotatable about a tool axis, and has a plurality of cutting teeth arranged on the tool circumference, wherein each cutting... |
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US20130136552 |
DRILL AND METHOD OF MANUFACTURING MACHINED PRODUCT
A drill includes a substantially cylindrical cutting portion includes a first region located at a front end portion, and a second region which has a step whose diameter increases as going from the... |
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US20130039709 |
TWIST DRILL FOR ADVANCED MATERIALS
The present invention is concerned with twist drills for drilling of composite materials such as carbon fibre reinforced plastic (CFRP) and glass fibre reinforced plastic (GFRP). The present... |
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US20100202844 |
Combination of Center Drill and Drill Holding Tool
A drill holding tool includes a shaft and a drill-holding portion which has a recess defined axially in an outer periphery thereof so as to receive a flat center drill therein which has one end... |
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US20100172706 |
Countersink assembly
A countersink assembly including a countersink sleeve body with a distal cutting edge, a longitudinal bore to receive and secured to a drill bit, and a flute extending from the distal cutting... |
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US20090097932 |
Spade bit with improved cutting geometry
A spade bit includes a shaft defining an axis, and a blade attached to the shaft and having a first blade portion and a second blade portion. The first blade portion defines a first leading face... |
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US20120195704 |
DRILL BIT
A drill bit for cutting successively larger holes in a substrate includes a conically-shaped body having first and second cutting flutes extending along the length of the body. The first cutting... |
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US20110200404 |
SPIRAL TAP
A spiral tap is disclosed having a thread portion having an external thread, spiral flutes which is fluted in the same direction as a cutting/rotating direction, as seen in a direction away from a... |
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US20120251257 |
FASCIA COUNTER-BORE BIT AND FASCIA SCREW
A drill bit has a drill portion having a first diameter, a cutting point at one end, and a counter-bore portion at the other end. The counter-bore portion has a second diameter larger than the... |
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US20100254779 |
Solid step drill
A solid step drill, including a front tip and a rear end between which a center axis extends and around which the drill is rotatable in a predetermined direction. At least two cylindrical sections... |
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US20140348605 |
DRILLING TOOL FOR COMPOSITE MATERIAL
A cutting tool is suitable for cutting a composite material. A drilling tool according to one embodiment includes a drill body and a shank. The drill body includes ribs formed in a spiral shape... |
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US20120155977 |
Multi-Effective Material Removal Tool
Material removal tool (100), such as for forming surfaces of valve seats, includes an integral or separable reduced diameter circumferential insert housing (106) including a plurality of inserts... |
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US20120263548 |
DRILL BIT
A drill bit drills through porcelain and other hard tiles much more efficiently than conventional drill bits. The porcelain and hard tile drill bit includes a four-point tip angle on the tip so... |
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US20100202845 |
MULTI-PIECE DRILL HEAD AND DRILL INCLUDING THE SAME
One non-limiting aspect of the present disclosure is directed to a multi-piece spade drill head for a spade drill, wherein the spade drill includes an elongate body portion and a cutting portion... |
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US20100145341 |
TROCAR-TIPPED DRILL BIT
A drill bit comprising a trocar tip on an end of a fluted portion is disclosed. The trocar tip may configured to cut through relatively hard bone. The drill bit may also have a fluted portion for... |
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US20170165766 |
ACCESSORY TOOL
An accessory tool includes an effector end and a shank coupled to the effector end. The shank includes a tool engagement portion that is configured to be received within a tool and a reduced... |
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US20170129022 |
STEP DRILL BIT WITH VARIABLE HELICAL FLUTE
A step drill bit can include a cutting head defining a longitudinal axis and multiple steps having different effective diameters. First and second cutting edges can be formed in the cutting head.... |
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US20170113377 |
Drilling Tool
A drilling tool is configured to perform drilling and/or percussive work on materials such as stone, concrete and/or reinforced concrete. The drilling tool has a fastening region and a working... |
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US20160263686 |
SCREW TAP WITH REPLACEABLE TOOL BIT
A screw tap with replaceable tool bit has a holding body, a detachable blade, and a fixing element. The holding body has a receiving area and a first engaging portion. The detachable blade is... |
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US20160151841 |
TWIST DRILL BIT FOR DRILLING COMPOSITE MATERIALS
Twist drill bit for drilling composite materials, especially through-hole drilling, wherein the blade (3) formed at the upper part of the drill bit has two steps—the initial (4) and the finish one... |
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US20160136739 |
Tool accommodating replaceable blade
A cutting tool utilizing a replaceable blade has a body which defines a blade-accepting pocket having an interior within which the body of the blade is nestingly accepted when inserted within the... |