punches with cylindrical head and reduced shank
1пуансоны ступенчатые с цилиндрическим фланцем — [ГОСТ Р 50343 92 (ИСО 8695 87)] Тематики ковка, штамповка ... EN punches with cylindrical head and reduced shank FR poinçons à tête cylindrique et à corps épaulé …
2Electrical discharge machining — An electrical discharge machine Electric discharge machining (EDM), sometimes colloquially also referred to as spark machining, spark eroding, burning, die sinking or wire erosion,[1] is a manufacturing process whereby a desired shape is obtained …
