HSS-E Machine Tap DIN 371 M4 x 0.7 Type 646B

* M2-M10:

* Type "646B", dimensions DIN 371 B, with reinforced shank and flute relief

* M12-M24:

* Type "746B", dimensions DIN 376 B, with overflow shank and flute relief

* **Application:**

* **** **for through hole**

* for difficult-to-machine materials, e.g. stainless and acid-resistant steels, tough bronzes, austenitic steels and high-alloy materials etc.

* for metric ISO threads according to DIN 13

MADE IN GERMANY