Description
This is a 15-piece hand thread tapping set consisting of: seven HSS thread taps (similar to DIN 325) for M3, M4, M5, M6, M8, M10 and M12 threads, seven HSS-G twist drill bits (DIN 338 N) for 2.5, 3.3, 4.2, 5, 6.8, 8.5 and 10.2 mm holes, and one adjustable tap wrench in size 1-1/2.
Pros:
- HSS-G twist drills designed in accordance with DIN 338 N
- HSS-G drills are grinded and have a higher quality than HSS-R drills
