Matches 1 - 15 out of 15


Match Document Document Title
6206616 Tool and method for cutting a circular opening and retaining the cut portion  
A tool and method for cutting a circular opening and retaining the cut portion. The tool comprises a shaft having at least one cutting thread and at least one tapping thread, or at least one...
5649795 Machine tool  
A device for performing a plurality of operations on a workpiece has a combination tool holder and a rotatable spindle for retaining the tool holder. The combination tool holder has a central...
4580933 Cutting tool accessory  
A twist drill is provided with a countersink and collar assembly. The countersink includes a body with a face which cooperates with a similar face of the collar to trap a pair of balls between...
4353670 Machining tool  
A machining tool comprising a rotatable holder, a removable, axially adjustable leading element, such as a drill bit, mounted in the holder and a throw-away cutting insert mounted in a fixed,...
3877833 Hole cutter  
An adjustable hole cutter for use in forming circular openings in workpieces. The hole cutter is characterized by a mount of a substantially planar configuration, positionable into a plane...
3838937 COMBINATION DRILL AND COUNTERBORE  
A combination drill and counterbore, counterbore portion of invention having cutting means integral with one end, other end of a size for engagement in appropriate drill chuck, said counterbore...
3794438 COUNTERSINK ASSEMBLY  
The assembly includes at least two countersink cutting elements having a cutting edge structure. Each cutting element has an internal structural configuration adapted to enclose a drill member...
3659482 METHOD OF REAMING A ROTATING PIPE  
A method is provided for the reaming of pipes wherein a portable rotary power source such as a power vise may be employed to rotatably drive the pipe. The method involves establishing a universal...
3635573 ADJUSTABLE CHAMFERING TOOL  
A chamfering tool is disclosed having adjustable locking means to hold in a selected position on a twist drill. The chamfering tool has a set screw which is tightened to hold it in place, and...
3228267 Combination centering and facing tool  
2927614 Countersinking tool  
2891429 Bearing pocket boring tool  
2863340 Combination pilot and countersink drill  
2832386 Multi-step drill  
2826104 Cutting tool assembly  
Matches 1 - 15 out of 15