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WO/2024/083136A1 |
A micro drill bit, comprising a drill tip part. The drill tip part comprises two sections of short chisel edges which are symmetrically arranged with respect to the center; at least one section of first cutting edge having a gradient dif...
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WO/2024/084185A1 |
A machining (100) tool for creating openings in a multi-layered material is provided. The tool comprises a main body (101) comprising a coupling (102) and a cutting head (103) at one end thereof, the cutting head having a cutting diamete...
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WO/2024/079296A1 |
The disclosure describes a component (100) for a mechanical device. The component (100) is made at least partly of steel and has one or more circular holes (102-105) for receiving a screw. Furthermore, for each circular hole (102-105) th...
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WO/2024/069622A1 |
A rotary cutting tool (20) rotatable about a tool axis in a direction of rotation having a front cutting portion (24) and a rear coupling portion (26). The front cutting portion (24) has a front outer peripheral surface (28) with a plura...
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WO/2024/068266A1 |
The invention relates to a hard metal tip (502), in particular a hard metal tip for a drilling tool, having at least one cutting edge (506) and a joining surface for connection of the hard metal tip to a main part of the drilling tool. A...
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WO/2024/060632A1 |
An cutting facilitating twist drill with a long service life. A main cutting edge (3) is provided with a vertical discharging groove; a cutting portion of the twist drill comprises the main cutting edge (3), a lateral cutting edge (2), d...
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WO/2024/061734A1 |
A masonry drill head made from a sintered cemented carbide, characterized in that the masonry drill head has an at least section-wise planar joining end for heat induced joining to a shaft, a working end (104) for shattering masonry mate...
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WO/2024/056622A1 |
The present application relates to a method for the laser-based machining of an elongate workpiece (10) and a laser machining device for carrying out the method. A method and a device are proposed for machining an elongate workpiece (10)...
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WO/2024/048672A1 |
A coated tool according to the present disclosure comprises a substrate, a first coating layer, a second coating layer, and a third coating layer. The first coating layer contains Al, Ti, Cr, and N. The second coating layer includes a fi...
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WO/2024/040772A1 |
A step drill, and a method for drilling and cutting a workpiece by using a step drill. The step drill has a hole machining portion (3) and at least two grooves (5, 5, ) extending on the hole machining portion, wherein the hole machining ...
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WO/2024/033101A1 |
In a drill (100), in particular a wood drill, having a longitudinal central axis (102) and a clamping portion (110) for connecting, for conjoint rotation, to a tool fitting, wherein the clamping portion (110) is connected via a shaft por...
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WO/2024/017741A1 |
A cutting tool (20) having a thermoset molded body (40) and a method of manufacturing the same is provided. The tool includes a tool body (22) having opposed first and second ends (24, 26). The tool body (22) includes a cutting portion (...
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WO/2024/012611A1 |
A diamond coating micro drill bit, and a preparation method therefor and the use thereof, which belong to the technical field of micro drill bits. The method comprises: before a diamond coating is deposited, subjecting a micro drill bit ...
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WO/2024/008446A1 |
A drill bit comprises a drill insert, which defines a rotation axis and has two main surfaces opposite to each other in a thickness direction, two side surfaces opposite to each other in a width direction, a front end face, and a rear en...
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WO/2024/008447A1 |
A drill bit, comprising a drill insert (1), which has a rotation axis in a direction X, two main surfaces (la) opposite to each other in a direction Z, two side surfaces (lb) opposite to each other in a direction Y, a front end face, and...
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WO/2024/008448A1 |
A drill bit, comprising a drill insert, which has a rotation axis in a direction X, two main surfaces opposite to each other in a direction Z, two side surfaces opposite to each other in a direction Y, a front end face, and a rear end fa...
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WO/2024/002673A1 |
The invention relates to a drill (10) for hand-guided drilling of a blind hole having a blind hole diameter and a blind hole depth in a workpiece made of metal, comprising a shaft (20) which defines a drilling direction (30) and has a ro...
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WO/2024/000194A1 |
The present invention relates to the technical field of drill chucks. Provided are a separation and connection switching assembly, a drill chuck, a power tool and a forward and reverse rotation method of a drill chuck. A first connector ...
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WO/2024/004075A1 |
This drill comprises a flank surface, a rake surface, and a main cutting edge on the ridge between the flank surface and the rake surface. The main cutting edge includes a first curved part having a curved shape and continuous with the f...
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WO/2023/242629A1 |
The present invention is generally related to an auger within an auger and or hollow shaft drill bit and a sub-surface injection system. An aspect of the present disclosure relates to a hollow shaft drill bit and a solid or hollow shaft ...
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WO/2023/243005A1 |
This drill comprises a cutting edge, a twisted flute face, a first outer peripheral margin face, and an approach face. The twisted flute face is continuous with the cutting edge. The first outer peripheral margin face is positioned rearw...
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WO/2023/243004A1 |
This drill comprises a twisted flute face, a flank, and a thinning face. A ridge line between the thinning face and the flank constitutes a thinning cutting edge. The thinning cutting edge includes a curved thinning cutting edge portion ...
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WO/2023/237361A1 |
The present invention relates to a method for tightening or loosening a screw connection between a core drill and a core bit, wherein the core drill comprises a core bit and a motor, wherein the core bit can be made to move in a first di...
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WO/2023/220822A1 |
A sawing accessory for a drill, which includes a cutting member that is connected to the drill for axial rotation about an axis of rotation. The cutting member has a plate and two or more blades connected to the plate. The blades depend ...
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WO/2023/222822A1 |
A method for producing a cutting tool is proposed, wherein the cutting tool has a tool body with a hard coating (2) and the hard coating (2) is applied to the tool body (1) at least in the region of a cutting edge (10, 14, 14a, 43), of a...
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WO/2023/213816A1 |
The invention relates to a step drill having a plurality of steps that increase in diameter in a proximal direction. Each step comprises a conical step cone surface (16) extending at a step cone angle with respect to the axis of rotation...
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WO/2023/215250A1 |
The present disclosure generally relates to a recess tool configured to cut a circular recess in drywall, thus enabling the flush mounting of a recessed light trim. The present disclosure generally describes a recess tool having a circul...
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WO/2023/210572A1 |
[Problem] The present invention addresses the problem of providing a drill that suppresses the generation of burrs around a machined hole. [Solution] A drill 10 according to the present invention comprises two or more cutting edges 1 to ...
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WO/2023/199618A1 |
The purpose of the present invention is to provide a heat-resistant and wear-resistant coating, and a coated object coated with the coating as a tool such as a cutting tool or a die tool, etc. This coating is an AlCr oxidation-resistant ...
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WO/2023/198375A1 |
The invention relates to a clamping mandrel adapter device (12) for mounting a hole saw unit, which comprises at least one centring drill bit (16) and a hole saw (18), on a machine tool, comprising at least one main adapter body which ha...
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WO/2023/186720A1 |
A cutting tool (1) for machining plastics comprises a tool shank (2) for arrangement in a tool holder, and a hollow cylinder (3) contiguous to the tool shank (2) and comprising at least one front opening (4) for accommodating a cutting e...
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WO/2023/191049A1 |
The coated tool according to the present disclosure comprises a base body and a coated layer disposed above the base body. The coated layer includes a plurality of Ta-containing laminated structural bodies and a plurality of Mo-containin...
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WO/2023/182126A1 |
A coated tool in which: a mean thickness At of a lower layer A is 0.3 to 6.0 μm, a mean thickness Bt of an upper layer B is 0.1 to 3.0 μm, and 2.0≤At/Bt≤5.0; the lower layer A comprises alternately stacked layers of an A1α layer h...
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WO/2023/181814A1 |
There is a demand for drills with high rigidity and good chip evacuation while reducing chipping on the tip side. A drill according to one aspect of the present disclosure has a body extending along a rotation axis. The body has a cuttin...
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WO/2023/183305A1 |
A hole saw with ejector configured to eject a plug upon rotating a collar located about the cutting blade. The hole saw with ejector has an annular cutting blade with one or more slots angled with respect to a longitudinal axis. The ejec...
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WO/2023/180249A1 |
The invention relates to a rotationally driveable machining tool (1) comprising a shaft (5) and a cutting part (7) extending along an axis of rotation. The cutting part (7) has at least one cutting portion (9) with an end cutting means (...
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WO/2023/176003A1 |
(Problem) To provide a sharp drill resistant to breakage. (Solution) A drill of the present invention is characterized by comprising: first and second cutting edges formed rotationally symmetrically; first and second flanks formed rotati...
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WO/2023/177050A1 |
The objective of the present invention is to provide a hard film-coated cutting tool having excellent welding resistance and wear resistance. To achieve the objective as above, the hard film-coated cutting tool according to the present i...
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WO/2023/175004A1 |
The invention relates to a cutting tool (2) for machining workpieces, comprising a cutting head (10) and a cutting head driver (12) which can be connected to the cutting head (10). The cutting head (10) and the cutting head driver (12) h...
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WO/2023/172131A1 |
A quick change arbor (1) for a tool that is releasably connectable to the quick change arbor (1), said quick change arbor comprising a longitudinal drive body (3) with a drive end (4) and a tool end (5), and an attachment portion (6) for...
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WO/2023/169471A1 |
A spade drill blade (17) and a combination blade (29). The spade drill blade (17) comprises a cutting surface (7), a cutting groove (9), a rear cutting surface (24), an auxiliary cutting surface (19), a cutting edge (8), an auxiliary edg...
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WO/2023/159274A1 |
Quick-change hole saw mandrel (10) for a hole saw (18); includes drive shank (14) extending along a central axis (C); and mounting end (16) detachable connected to mounting aperture (26) of hole saw (18) and including drive pin (30) for ...
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WO/2023/162671A1 |
There is demand for a drill that is capable of performing a stable cutting process and that has excellent chip discharge properties. A drill based on one aspect of the present disclosure has a body extending along a rotational axis. The ...
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WO/2023/162683A1 |
A coated tool according to the present disclosure has a substrate conaining a hard phase and a joining phase, and has a coating layer. The coating layer includes an adhesive layer and a wear-resistant layer. The adhesive layer contains T...
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WO/2023/158546A1 |
A rotary cutting tool includes a support structure having a central hub located at an axially rearward end of the rotary cutting tool. A plurality of primary support members extends from the central hub in different axial and radial dire...
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WO/2023/156031A1 |
The invention relates to a thread milling tool (1) extending along an axis of rotation (2) and comprising a thread milling section (3) and a drill tip (4) adjoining the thread milling section (3), wherein the thread milling section (3) h...
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WO/2023/158054A1 |
The present invention relates to a core drill for forming a hole in a workpiece and, more specifically, to a core drill formed as a separable type having a structure that facilitates discharge of foreign substances, improves drilling wor...
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WO/2023/151890A1 |
The invention provides a cutting tool (100), comprising a main body (1), which extends along a longitudinal axis (L) and has a first end (11) for connection to a tool receptacle and a free second end (12), the main body (1) having a clam...
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WO/2023/144867A1 |
This cutting tool includes a base material and a coating disposed on the base material. The coating has a first layer that comprises multiple hard particles. The hard particles comprise TiSiCN that has a cubic crystal structure. The hard...
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WO/2023/135509A1 |
We disclosed a simplified computer-guided drilling system and procedure for performing dental implant surgery. The system comprises: a drilling expansion means, which comprises a drilling body with a pointed end attached to a smooth-wall...
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