DC Tap drill Metric ISO thread

Swiss Made, Made of HSS-E (High Speed ​​Steel, contains approximately 5% to 8% cobalt), For long-chipping materials with a tensile strength of Rm > 350...1000 N/mm2., with cylindrical shank with square end, According to thread standard M (metric coarse thread), Number of teeth 3, Cutting direction: right, Thread cutting edge form C, Thread tolerance zone 6H +0.10 mm (with oversize)
Secondary application: Non-ferrous metals (ISO N), For tapping, For blind-hole threads
Designs:
M4...M10: N360-3, reinforced shaft, DIN 371
M12...M16: N460-3, falling through shaft, DIN 376