the man who did it found himself in the middle of a terrifying scene – kidnapped and tied naked to a camping chair while strangers used an electric drill to put holes in his shin and knee.

Watch the amazing transformation of rusty bolts into high-quality thread drill tools. Skilled craftsmen carefully cut, shape, and refine these discarded metal pieces into precision tools used for ...

Used with fixed or slip renewable bushings These liners are pressed permanently into the jig plate creating a precise location point Inch Type L ...

Tungaloy Corp. recently expanded its TungSpeed-Mill series with new small-diameter, close-pitch cutters designed for precision machining applications. The expanded lineup includes bore-type cutters in ...

Abstract: In oil mining system, stress cracks on thread usually lead to drill pipe failure. To maintain normal operation of drill pipes, the thread needs to be nondestructively tested. However, due to ...

In this paper, we studied the principle of 3D imaging by binocular method, designed a 3D imaging and defect detection system for drill pipe threads based on dual image sensing modules, built an ...

The U.S. Army has replaced the chaotic reception recruits entering basic training have long received from shouting drill sergeants with a training event designed to create a bond with their ...

you can reverse the drill bit and use this sort of reverse threaded drill that drills in and as it goes in, it’s supposed to bite into the top of the screw head and ultimately back it out of the ...