Dormer Threading Tap, M3 Thread, 0.5mm Pitch, Metric Coarse Standard

The Dormer Set of straight flute hand taps NO7 with 0.50 mm pitch and 6H class of fit. It consisting of 1 tap with a 4 to 6xP second lead and 1 tap with a 2 to 3xP plug lead. The dimensions according to ISO 529 standard with 3.15 mm shank and 2.5 mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel.

Versatile tool
Suitable for hand and machine tapping
Straight flute hand taps for ISO Metric thread
Straight flute design for both through and blind holes