Hole MakingFamily: DDT-E1 Deep Double Tube Counterborer without a Through Hole, External 4 Start Thread and a Brazed Tip Designation: DDT-E1 26.41-28.70 NOM 2
NOM 0 refers to non-coated drill head, NOM 2 refers to coated drill head.
The drill tip is supplied in a grade that is suitable to machine the material group which is indicated in the drill head designation: P-Steel M-Stainless Steel K-Cast Iron. For quotation form and user guide click on "More Info".