Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...

C.H. Hanson is introducing the Ratcheting PipeLOK Cutters by Superior Tool® available in three models accommodating 1’ and 2” PVC pipe. Engineered to hold PVC ...

Plumbing is one of those skills that many people take for granted, believing it's easy to do on the fly. Sure, there are many tools and devices that can be used to pull off this job, like the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...