Matches 1 - 15 out of 15


Match Document Document Title
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...
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...
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...
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...
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...
US20070264094 Unibit with replacement blade  
A unibit with replacement blade of the invention provides economical refreshing of the many cutting facets of a unibit drill bit with a unibit replacement blade that is releasably secured in the...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 15 out of 15