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RUKO Set Of 14 Male To Open Machines Threads HSS - Plastic Box- Set of threaded machine threading machines with 14 pieces 7 male thread threading machines DIN 371/376 mold C / 35 ° RSP M 3 - M 4 - M 5 - M 6 - M 8 - M 10 - M 12 + 7 helical drills DIN 338 Type N Ø 2,5 - 3,3 - 4,2 - 5,0 - 6,8 - 8,5 - 10,2 mm