Off-set drill guide assembly and method of drilling holes in...
Offset drive countersink apparatus
Oil burner nozzle adaptor resurfacing tool and method
Oil feeding collet chuck and its collet
One step square hole drill bit
One-lip tool for deep drilling
One-piece rotary material removing tool of sintered hard metal
One-way clutch and a clamping structure for a handled tool...
Operating device for a hollow drill
Operating means for a chuck
Optical device and method for obtaining reference planes, especi
Optical lens drill press
Oscillatory motion device for drill press
Outer diameter deburring tool
Overhead cambearing line boring tool
Overload coupling device