Presto UK 1/2″ UNF HSS Presto Second Machine Tap

Presto 1/2″ UNF HSS Second Tap

Used for cutting internal threads.

Straight Flute full size tap.

Hand tap sets for tapping in free cutting steel up to 800N/mm2.

The perfect form threads is generated by a combination of effective pitch diameter, major diameter and chamfer length.

Quality High Speed Steel as you would expect from Presto Tools.