Presto M5 x 0.80 Taps Choice of First, Second And Plug

Quality High Speed Steel as you would expect from Presto Tools

Used for cutting internal threads, 

Straight Flute full size taps used as machine taps

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

The perfect form threas is generated by a combination of effective pitch diameter,

Major diameter and chamfer length

Choice of First, Second, Plug, set of all three. Just pick from the drop down.