Dormer High Speed Steel Taps - Taper or First Taps tb235m
	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 tap 2. Second or Intermediate tap 3. Bottoming, third or plug tap. Straight flute taps. Tolerance : Class 2 for 6H Fit Surface treatment : Bright Material : HSS High Speed Steel Chamfer No : 1,2 and 3, Serail no 4 and 5 Flute Geometry : Straight Flutes ISO529