Historically, the threading of holes has been a fairly straightforward operation, usually performed close to the end of a part’s machining. Once the holes had been drilled, thread taps of the ...

Single Profile Thread Mills (SPTM) thread small holes with coarse threads in tough materials — a common mold and valve-industry problem. The tools have a solid-carbide-micrograin substrate with a ...

Advanced machine tool and cutting tool technologies reduce the cost and boost the quality of producing internal threads in aerospace materials. The diameter of a thread milling cutter is smaller than ...