The Dormer Hand tap drill set is a Duo Pack drill set which containing a straight flute hand tap according to ISO standard with corresponding drill. Suitable for hand and machine tapping. Available with plug lead NO2 for through holes or bottoming lead NO3 for blind holes. The convenient packaging ensures the right drill size to make a perfect thread. ISO Metric threads M4
Number of items in set is 2
High speed steel tool material
Titanium nitride tip coated jobber length drill