DORMER E507 HSS MM COARSE SF TAP 12.0 X 1.75 BL

Spiral flute taps are used for machine tapping of blind holes asa they have a helical (spiral) flute which directs the swarf back our of the hole along the flute.
Metric coarse spiral 40ยบ flute taps
Tolerance : Class 2 for 6H Fit
Surface treatment : Blue
Material : HSS High Speed Steel
Chamfer No : 3
Flute Geometry : Right Hand Spiral Flutes
ISO529
BL 1.75 X 12.0 TAP SF COARSE MM HSS E507 DORMER