Ключевые слова: aluminium, background, bit, carbide, center, center drill, coating, collet, cutter, cutting, drill, drilling, end, engineering, equipment, golden, hole, industrial, industry, instrument, iron, machine, machining, make, manufacturing, material, mechanic, mechanical, metal, metalworking, milling, pattern, precision, press, production, screw, set, sharp, sharpen, speed, stainless, steel, structure, taper, technology, tool, tooling, turning, turnings, work,