Niigata Seiki threading tap (SK) Japanese-made M4x0.75

Size: Total length 57 x outer diameter 5 mm Mass: 5g Applications: For cutting internal threads in general steel materials, brass, copper, aluminum, and resin, and for repairing damaged threads. Material: Alloy tool steel (SKS) Tap thread diameter: M4 Pitch: 0.75mm Drill diameter for pilot hole: equivalent to 3.3mm