Index HAND TAPS 495 Taps for manual use and for drilling machines EG (STI) 507 Taps for Helical coil wire screw thread inserts SPECIAL THREADS, 531 GAUGES Taps for special threads and simple measuring instruments for internal thread and bored hole diameters 583 THREADMILLS 591 DIES CENTER 603 DRILLS Center drills and centering tools 623 TECHNICAL INFO 751 COMPANY INFORMATION 5