E500 HSS Coarse Tap Straight Flute 16.0 x 2.00 Set of Three

E500 straight flute taps are the only type of taps that can be used by hand, but they may also be used in a machine if required. They can be used for either through or blind holes. When tapping blind holes straight flute taps should be used in sets. The three taps which form a set are known by more than one name.1. Taper or First tap2. Second or Intermediate tap3. Bottoming, third or plug tap.Metric coarse straight flute taps.Tolerance: Class 2 for 6H FitSurface treatment: BrightMaterial: HSS High Speed SteelChamfer No: 1,2 and 3, Serail no 4 and 5Flute Geometry: Straight FlutesISO529Size 16.0mm x 2.0 set of 3